121002122000100 has 144 divisors (see below), whose sum is σ = 381955662648000. Its totient is φ = 29331623116800.

The previous prime is 121002122000009. The next prime is 121002122000101. The reversal of 121002122000100 is 1000221200121.

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

It is not an unprimeable number, because it can be changed into a prime (121002122000101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42337924 + ... + 45105476.

It is an arithmetic number, because the mean of its divisors is an integer number (2652469879500).

Almost surely, 2^{121002122000100} is an apocalyptic number.

121002122000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002122000100 is an abundant number, since it is smaller than the sum of its proper divisors (260953540647900).

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

121002122000100 is a wasteful number, since it uses less digits than its factorization.

121002122000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780830 (or 2780823 counting only the distinct ones).

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

Adding to 121002122000100 its reverse (1000221200121), we get a palindrome (122002343200221).

The spelling of 121002122000100 in words is "one hundred twenty-one trillion, two billion, one hundred twenty-two million, one hundred", and thus it is an aban number.