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1101022212020 = 225101545060501
BaseRepresentation
bin10000000001011010000…
…010011010111110110100
310220020221010112112000012
4100001122002122332310
5121014343141241040
62201445211035352
7142355233246343
oct20013202327664
93806833475005
101101022212020
11394a39376015
1215947613bb58
137ca977c1663
143b40b157b5a
151d9905bd865
hex1005a09afb4

1101022212020 has 24 divisors (see below), whose sum is σ = 2335039190568. Its totient is φ = 436048400000.

The previous prime is 1101022211983. The next prime is 1101022212023. The reversal of 1101022212020 is 202122201011.

It can be written as a sum of positive squares in 4 ways, for example, as 74557394704 + 1026464817316 = 273052^2 + 1013146^2 .

It is a super-2 number, since 2×11010222120202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101022211986 and 1101022212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101022212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272528231 + ... + 272532270.

It is an arithmetic number, because the mean of its divisors is an integer number (97293299607).

Almost surely, 21101022212020 is an apocalyptic number.

1101022212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101022212020 is an abundant number, since it is smaller than the sum of its proper divisors (1234016978548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101022212020 is a wasteful number, since it uses less digits than its factorization.

1101022212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545060611 (or 545060609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1101022212020 its reverse (202122201011), we get a palindrome (1303144413031).

The spelling of 1101022212020 in words is "one trillion, one hundred one billion, twenty-two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 545060501 1090121002 2180242004 2725302505 5450605010 10901210020 55051110601 110102221202 220204442404 275255553005 550511106010 1101022212020