121202839071 has 6 divisors (see below), whose sum is σ = 175070767560. Its totient is φ = 80801892708.

The previous prime is 121202839049. The next prime is 121202839091. The reversal of 121202839071 is 170938202121.

It is not a de Polignac number, because 121202839071 - 2¹⁰ = 121202838047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202839091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6733491051 + ... + 6733491068.

It is an arithmetic number, because the mean of its divisors is an integer number (29178461260).

Almost surely, 2^121202839071 is an apocalyptic number.

121202839071 is a deficient number, since it is larger than the sum of its proper divisors (53867928489).

121202839071 is a wasteful number, since it uses less digits than its factorization.

121202839071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466982125 (or 13466982122 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 121202839071 in words is "one hundred twenty-one billion, two hundred two million, eight hundred thirty-nine thousand, seventy-one".