122102121101112 has 48 divisors (see below), whose sum is σ = 330891621245640. Its totient is φ = 40676291452608.

The previous prime is 122102121101111. The next prime is 122102121101141. The reversal of 122102121101112 is 211101121201221.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102121101111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508537083 + ... + 508777130.

Almost surely, 2^{122102121101112} is an apocalyptic number.

122102121101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122102121101112 is an abundant number, since it is smaller than the sum of its proper divisors (208789500144528).

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

122102121101112 is a wasteful number, since it uses less digits than its factorization.

122102121101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017315892 (or 1017315885 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 122102121101112 its reverse (211101121201221), we get a palindrome (333203242302333).

The spelling of 122102121101112 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-one million, one hundred one thousand, one hundred twelve".