121121210982 has 64 divisors (see below), whose sum is σ = 256864619520. Its totient is φ = 37968489504.

The previous prime is 121121210971. The next prime is 121121211037. The reversal of 121121210982 is 289012121121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17593713 + ... + 17600595.

It is an arithmetic number, because the mean of its divisors is an integer number (4013509680).

Almost surely, 2^121121210982 is an apocalyptic number.

121121210982 is an abundant number, since it is smaller than the sum of its proper divisors (135743408538).

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

121121210982 is a wasteful number, since it uses less digits than its factorization.

121121210982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8017.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 121121210982 in words is "one hundred twenty-one billion, one hundred twenty-one million, two hundred ten thousand, nine hundred eighty-two".