121111211011002 has 32 divisors (see below), whose sum is σ = 242510374267200. Its totient is φ = 40322439615360.

The previous prime is 121111211010971. The next prime is 121111211011099. The reversal of 121111211011002 is 200110112111121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13822293 + ... + 20815335.

It is an arithmetic number, because the mean of its divisors is an integer number (7578449195850).

Almost surely, 2^{121111211011002} is an apocalyptic number.

121111211011002 is an abundant number, since it is smaller than the sum of its proper divisors (121399163256198).

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

121111211011002 is a wasteful number, since it uses less digits than its factorization.

121111211011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996478.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121111211011002 its reverse (200110112111121), we get a palindrome (321221323122123).

The spelling of 121111211011002 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred eleven million, eleven thousand, two".