1021122001982 has 32 divisors (see below), whose sum is σ = 1547244098400. Its totient is φ = 505403919360.

The previous prime is 1021122001979. The next prime is 1021122001987. The reversal of 1021122001982 is 2891002211201.

It is a super-2 number, since 2×1021122001982² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021122001987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105821894 + ... + 105831542.

It is an arithmetic number, because the mean of its divisors is an integer number (48351378075).

Almost surely, 2^{1021122001982} is an apocalyptic number.

1021122001982 is a deficient number, since it is larger than the sum of its proper divisors (526122096418).

1021122001982 is a wasteful number, since it uses less digits than its factorization.

1021122001982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148.

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

The spelling of 1021122001982 in words is "one trillion, twenty-one billion, one hundred twenty-two million, one thousand, nine hundred eighty-two".