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22101010120 = 235778932179
BaseRepresentation
bin10100100101010100…
…101010011011001000
32010001020221122022101
4110211110222123020
5330230324310440
614053021203144
71411453325560
oct244524523310
963036848271
1022101010120
119411498022
1243497004b4
132112a5a4a7
1410d9355da0
1589543269a
hex52552a6c8

22101010120 has 32 divisors (see below), whose sum is σ = 56831169600. Its totient is φ = 7577489088.

The previous prime is 22101010111. The next prime is 22101010199. The reversal of 22101010120 is 2101010122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22101010097 and 22101010106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39465810 + ... + 39466369.

It is an arithmetic number, because the mean of its divisors is an integer number (1775974050).

Almost surely, 222101010120 is an apocalyptic number.

22101010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101010120 is an abundant number, since it is smaller than the sum of its proper divisors (34730159480).

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

22101010120 is a wasteful number, since it uses less digits than its factorization.

22101010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78932197 (or 78932193 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22101010120 its reverse (2101010122), we get a palindrome (24202020242).

The spelling of 22101010120 in words is "twenty-two billion, one hundred one million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 78932179 157864358 315728716 394660895 552525253 631457432 789321790 1105050506 1578643580 2210101012 2762626265 3157287160 4420202024 5525252530 11050505060 22101010120