1011002111982 has 32 divisors (see below), whose sum is σ = 2246825640960. Its totient is φ = 336977561880.

The previous prime is 1011002111953. The next prime is 1011002112011. The reversal of 1011002111982 is 2891112001101.

It is an interprime number because it is at equal distance from previous prime (1011002111953) and next prime (1011002112011).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160003 + ... + 1430945.

It is an arithmetic number, because the mean of its divisors is an integer number (70213301280).

Almost surely, 2^{1011002111982} is an apocalyptic number.

1011002111982 is an abundant number, since it is smaller than the sum of its proper divisors (1235823528978).

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

1011002111982 is a wasteful number, since it uses less digits than its factorization.

1011002111982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285685 (or 1285679 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 1011002111982 in words is "one trillion, eleven billion, two million, one hundred eleven thousand, nine hundred eighty-two".