121001012122002 has 16 divisors (see below), whose sum is σ = 242283749544480. Its totient is φ = 40286716490592.

The previous prime is 121001012121991. The next prime is 121001012122013. The reversal of 121001012122002 is 200221210100121.

It is an interprime number because it is at equal distance from previous prime (121001012121991) and next prime (121001012122013).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11738548603 + ... + 11738558910.

It is an arithmetic number, because the mean of its divisors is an integer number (15142734346530).

Almost surely, 2^{121001012122002} is an apocalyptic number.

121001012122002 is an abundant number, since it is smaller than the sum of its proper divisors (121282737422478).

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

121001012122002 is a wasteful number, since it uses less digits than its factorization.

121001012122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23477108377.

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

Adding to 121001012122002 its reverse (200221210100121), we get a palindrome (321222222222123).

The spelling of 121001012122002 in words is "one hundred twenty-one trillion, one billion, twelve million, one hundred twenty-two thousand, two".