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22010110212 = 2232199783383
BaseRepresentation
bin10100011111111001…
…111010000100000100
32002210220220110002010
4110133321322010010
5330034042011322
614040013014220
71406300564346
oct243771720404
962726813063
1022010110212
119375151632
124323184370
1320c9c81a6c
1410cb253296
1588c47920c
hex51fe7a104

22010110212 has 24 divisors (see below), whose sum is σ = 51359874496. Its totient is φ = 7336281888.

The previous prime is 22010110159. The next prime is 22010110217. The reversal of 22010110212 is 21201101022.

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

It is not an unprimeable number, because it can be changed into a prime (22010110217) 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, 222273 + ... + 305655.

Almost surely, 222010110212 is an apocalyptic number.

It is an amenable number.

22010110212 is an abundant number, since it is smaller than the sum of its proper divisors (29349764284).

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

22010110212 is a wasteful number, since it uses less digits than its factorization.

22010110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105387 (or 105385 counting only the distinct ones).

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

Adding to 22010110212 its reverse (21201101022), we get a palindrome (43211211234).

The spelling of 22010110212 in words is "twenty-two billion, ten million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 21997 43994 65991 83383 87988 131982 166766 250149 263964 333532 500298 1000596 1834175851 3668351702 5502527553 7336703404 11005055106 22010110212