121012204102 has 16 divisors (see below), whose sum is σ = 184958590752. Its totient is φ = 59359530880.

The previous prime is 121012204091. The next prime is 121012204123. The reversal of 121012204102 is 201402210121.

It is a congruent number.

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, 1452702 + ... + 1533742.

It is an arithmetic number, because the mean of its divisors is an integer number (11559911922).

Almost surely, 2^121012204102 is an apocalyptic number.

121012204102 is a deficient number, since it is larger than the sum of its proper divisors (63946386650).

121012204102 is a wasteful number, since it uses less digits than its factorization.

121012204102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95183.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121012204102 its reverse (201402210121), we get a palindrome (322414414223).

The spelling of 121012204102 in words is "one hundred twenty-one billion, twelve million, two hundred four thousand, one hundred two".