121220011002 has 16 divisors (see below), whose sum is σ = 242603079552. Its totient is φ = 40379494080.

The previous prime is 121220010997. The next prime is 121220011013. The reversal of 121220011002 is 200110022121.

121220011002 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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, 6784399 + ... + 6802242.

It is an arithmetic number, because the mean of its divisors is an integer number (15162692472).

Almost surely, 2^121220011002 is an apocalyptic number.

121220011002 is an abundant number, since it is smaller than the sum of its proper divisors (121383068550).

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

121220011002 is a wasteful number, since it uses less digits than its factorization.

121220011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13588133.

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

Adding to 121220011002 its reverse (200110022121), we get a palindrome (321330033123).

The spelling of 121220011002 in words is "one hundred twenty-one billion, two hundred twenty million, eleven thousand, two".