1120111021986 has 32 divisors (see below), whose sum is σ = 2454367376448. Its totient is φ = 337970807040.

The previous prime is 1120111021979. The next prime is 1120111021987. The reversal of 1120111021986 is 6891201110211.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1120111021987) 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, 36403891 + ... + 36434646.

It is an arithmetic number, because the mean of its divisors is an integer number (76698980514).

Almost surely, 2^{1120111021986} is an apocalyptic number.

1120111021986 is an abundant number, since it is smaller than the sum of its proper divisors (1334256354462).

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

1120111021986 is a wasteful number, since it uses less digits than its factorization.

1120111021986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72838786.

The product of its (nonzero) digits is 1728, while the sum is 33.

The spelling of 1120111021986 in words is "one trillion, one hundred twenty billion, one hundred eleven million, twenty-one thousand, nine hundred eighty-six".