121031023102 has 16 divisors (see below), whose sum is σ = 198056214000. Its totient is φ = 55012587840.

The previous prime is 121031023073. The next prime is 121031023103. The reversal of 121031023102 is 201320130121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031023103) 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, 1288924 + ... + 1379632.

It is an arithmetic number, because the mean of its divisors is an integer number (12378513375).

Almost surely, 2^121031023102 is an apocalyptic number.

121031023102 is a deficient number, since it is larger than the sum of its proper divisors (77025190898).

121031023102 is a wasteful number, since it uses less digits than its factorization.

121031023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151371.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121031023102 its reverse (201320130121), we get a palindrome (322351153223).

The spelling of 121031023102 in words is "one hundred twenty-one billion, thirty-one million, twenty-three thousand, one hundred two".