121022022110100 has 144 divisors (see below), whose sum is σ = 363846168354816. Its totient is φ = 31024658160000.

The previous prime is 121022022110089. The next prime is 121022022110111. The reversal of 121022022110100 is 1011220220121.

It is an interprime number because it is at equal distance from previous prime (121022022110089) and next prime (121022022110111).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121022022110100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41685504 + ... + 44494103.

It is an arithmetic number, because the mean of its divisors is an integer number (2526709502464).

Almost surely, 2^{121022022110100} is an apocalyptic number.

121022022110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022022110100 is an abundant number, since it is smaller than the sum of its proper divisors (242824146244716).

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

121022022110100 is a wasteful number, since it uses less digits than its factorization.

121022022110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86179806 (or 86179799 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121022022110100 its reverse (1011220220121), we get a palindrome (122033242330221).

The spelling of 121022022110100 in words is "one hundred twenty-one trillion, twenty-two billion, twenty-two million, one hundred ten thousand, one hundred".