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1101022212 = 223531731167
BaseRepresentation
bin100000110100000…
…0100010000000100
32211201202201112110
41001220010100010
54223330202322
6301130421020
736166351203
oct10150042004
92751681473
101101022212
11515553314
12268891770
1314714b044
14a632723a
15669d8c0c
hex41a04404

1101022212 has 24 divisors (see below), whose sum is σ = 2617526016. Its totient is φ = 360082528.

The previous prime is 1101022201. The next prime is 1101022229. The reversal of 1101022212 is 2122201011.

It is a super-2 number, since 2×11010222122 = 2424499822634745888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864948 + ... + 866219.

It is an arithmetic number, because the mean of its divisors is an integer number (109063584).

Almost surely, 21101022212 is an apocalyptic number.

1101022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101022212 is an abundant number, since it is smaller than the sum of its proper divisors (1516503804).

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

1101022212 is a wasteful number, since it uses less digits than its factorization.

1101022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731227 (or 1731225 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1101022212 is about 33181.6547507806. The cubic root of 1101022212 is about 1032.5997767979.

Adding to 1101022212 its reverse (2122201011), we get a palindrome (3223223223).

The spelling of 1101022212 in words is "one billion, one hundred one million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 1731167 3462334 5193501 6924668 10387002 20774004 91751851 183503702 275255553 367007404 550511106 1101022212