121021002011002 has 16 divisors (see below), whose sum is σ = 182072323603872. Its totient is φ = 60330495543120.

The previous prime is 121021002010981. The next prime is 121021002011011. The reversal of 121021002011002 is 200110200120121.

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, 66113088 + ... + 67918939.

It is an arithmetic number, because the mean of its divisors is an integer number (11379520225242).

Almost surely, 2^{121021002011002} is an apocalyptic number.

121021002011002 is a deficient number, since it is larger than the sum of its proper divisors (61051321592870).

121021002011002 is a wasteful number, since it uses less digits than its factorization.

121021002011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134033373.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121021002011002 its reverse (200110200120121), we get a palindrome (321131202131123).

The spelling of 121021002011002 in words is "one hundred twenty-one trillion, twenty-one billion, two million, eleven thousand, two".