121022210000100 has 72 divisors (see below), whose sum is σ = 357607755888768. Its totient is φ = 31585938492800.

The previous prime is 121022210000009. The next prime is 121022210000137. The reversal of 121022210000100 is 1000012220121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4291553631 + ... + 4291581830.

It is an arithmetic number, because the mean of its divisors is an integer number (4966774387344).

Almost surely, 2^{121022210000100} is an apocalyptic number.

121022210000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022210000100 is an abundant number, since it is smaller than the sum of its proper divisors (236585545888668).

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

121022210000100 is a wasteful number, since it uses less digits than its factorization.

121022210000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583135525 (or 8583135518 counting only the distinct ones).

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

Adding to 121022210000100 its reverse (1000012220121), we get a palindrome (122022222220221).

The spelling of 121022210000100 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, one hundred", and thus it is an aban number.