22101121112202 has 48 divisors (see below), whose sum is σ = 52251917140800. Its totient is φ = 6695655120000.

The previous prime is 22101121112197. The next prime is 22101121112219. The reversal of 22101121112202 is 20221112110122.

22101121112202 is a `hidden beast` number, since 221 + 0 + 11 + 211 + 1 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12982174 + ... + 14585577.

It is an arithmetic number, because the mean of its divisors is an integer number (1088581607100).

Almost surely, 2^{22101121112202} is an apocalyptic number.

22101121112202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22101121112202 is an abundant number, since it is smaller than the sum of its proper divisors (30150796028598).

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

22101121112202 is a wasteful number, since it uses less digits than its factorization.

22101121112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27571819 (or 27571816 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22101121112202 its reverse (20221112110122), we get a palindrome (42322233222324).

The spelling of 22101121112202 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".