121320213031102 has 16 divisors (see below), whose sum is σ = 191558447683200. Its totient is φ = 57467404356120.

The previous prime is 121320213031097. The next prime is 121320213031103. The reversal of 121320213031102 is 201130312023121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320213031103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57879049 + ... + 59938507.

It is an arithmetic number, because the mean of its divisors is an integer number (11972402980200).

Almost surely, 2^{121320213031102} is an apocalyptic number.

121320213031102 is a deficient number, since it is larger than the sum of its proper divisors (70238234652098).

121320213031102 is a wasteful number, since it uses less digits than its factorization.

121320213031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609711.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121320213031102 its reverse (201130312023121), we get a palindrome (322450525054223).

The spelling of 121320213031102 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred thirteen million, thirty-one thousand, one hundred two".