22101000121112 has 64 divisors (see below), whose sum is σ = 47173080326400. Its totient is φ = 9608929799040.

The previous prime is 22101000121111. The next prime is 22101000121117. The reversal of 22101000121112 is 21112100010122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101000121111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 138339503 + ... + 138499169.

It is an arithmetic number, because the mean of its divisors is an integer number (737079380100).

Almost surely, 2^{22101000121112} is an apocalyptic number.

22101000121112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22101000121112 is an abundant number, since it is smaller than the sum of its proper divisors (25072080205288).

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

22101000121112 is a wasteful number, since it uses less digits than its factorization.

22101000121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228096 (or 228092 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22101000121112 its reverse (21112100010122), we get a palindrome (43213100131234).

The spelling of 22101000121112 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-one thousand, one hundred twelve".