220101121982 has 32 divisors (see below), whose sum is σ = 397207200000. Its totient is φ = 89357110848.

The previous prime is 220101121939. The next prime is 220101121993. The reversal of 220101121982 is 289121101022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296773 + ... + 4347695.

It is an arithmetic number, because the mean of its divisors is an integer number (12412725000).

Almost surely, 2^220101121982 is an apocalyptic number.

220101121982 is a deficient number, since it is larger than the sum of its proper divisors (177106078018).

220101121982 is a wasteful number, since it uses less digits than its factorization.

220101121982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67200.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 220101121982 in words is "two hundred twenty billion, one hundred one million, one hundred twenty-one thousand, nine hundred eighty-two".