121022201982 has 32 divisors (see below), whose sum is σ = 277945729920. Its totient is φ = 34743215520.

The previous prime is 121022201981. The next prime is 121022202013. The reversal of 121022201982 is 289102220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022201981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48253213 + ... + 48255720.

It is an arithmetic number, because the mean of its divisors is an integer number (8685804060).

Almost surely, 2^121022201982 is an apocalyptic number.

121022201982 is an abundant number, since it is smaller than the sum of its proper divisors (156923527938).

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

121022201982 is a wasteful number, since it uses less digits than its factorization.

121022201982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96508968.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 121022201982 in words is "one hundred twenty-one billion, twenty-two million, two hundred one thousand, nine hundred eighty-two".