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1102102212020 = 225194289676211
BaseRepresentation
bin10000000010011010011…
…010010010110110110100
310220100201101202012111012
4100002122122102312310
5121024101131241040
62202144311131352
7142424056143365
oct20023232226664
93810641665435
101102102212020
11395442a6aaa7
12159717973b58
137cc0a48bc04
143b4b076bb6c
151da05303865
hex1009a692db4

1102102212020 has 48 divisors (see below), whose sum is σ = 2436797563200. Its totient is φ = 417540741120.

The previous prime is 1102102212019. The next prime is 1102102212061. The reversal of 1102102212020 is 202122012011.

It is a junction number, because it is equal to n+sod(n) for n = 1102102211986 and 1102102212004.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1291715 + ... + 1967925.

It is an arithmetic number, because the mean of its divisors is an integer number (50766615900).

Almost surely, 21102102212020 is an apocalyptic number.

1102102212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102102212020 is an abundant number, since it is smaller than the sum of its proper divisors (1334695351180).

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

1102102212020 is a wasteful number, since it uses less digits than its factorization.

1102102212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680528 (or 680526 counting only the distinct ones).

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

Adding to 1102102212020 its reverse (202122012011), we get a palindrome (1304224224031).

The spelling of 1102102212020 in words is "one trillion, one hundred two billion, one hundred two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 4289 8578 17156 21445 42890 81491 85780 162982 325964 407455 676211 814910 1352422 1629820 2704844 3381055 6762110 12848009 13524220 25696018 51392036 64240045 128480090 256960180 2900268979 5800537958 11601075916 14501344895 29002689790 55105110601 58005379580 110210221202 220420442404 275525553005 551051106010 1102102212020