122100121002 has 48 divisors (see below), whose sum is σ = 259065613440. Its totient is φ = 38358019584.

The previous prime is 122100121001. The next prime is 122100121007. The reversal of 122100121002 is 200121001221.

It is not an unprimeable number, because it can be changed into a prime (122100121001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271999 + ... + 564077.

It is an arithmetic number, because the mean of its divisors is an integer number (5397200280).

Almost surely, 2^122100121002 is an apocalyptic number.

122100121002 is an abundant number, since it is smaller than the sum of its proper divisors (136965492438).

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

122100121002 is a wasteful number, since it uses less digits than its factorization.

122100121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292315 (or 292296 counting only the distinct ones).

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

Adding to 122100121002 its reverse (200121001221), we get a palindrome (322221122223).

The spelling of 122100121002 in words is "one hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two".