121011221110002 has 32 divisors (see below), whose sum is σ = 249854262128640. Its totient is φ = 39032027097360.

The previous prime is 121011221110001. The next prime is 121011221110051. The reversal of 121011221110002 is 200011122110121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121011221110001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30198078 + ... + 33969785.

It is an arithmetic number, because the mean of its divisors is an integer number (7807945691520).

Almost surely, 2^{121011221110002} is an apocalyptic number.

121011221110002 is an abundant number, since it is smaller than the sum of its proper divisors (128843041018638).

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

121011221110002 is a wasteful number, since it uses less digits than its factorization.

121011221110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64178038.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121011221110002 its reverse (200011122110121), we get a palindrome (321022343220123).

The spelling of 121011221110002 in words is "one hundred twenty-one trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, two".