1022110021992 has 32 divisors (see below), whose sum is σ = 2637703284480. Its totient is φ = 329712910080.

The previous prime is 1022110021991. The next prime is 1022110022027. The reversal of 1022110021992 is 2991200112201.

It is not an unprimeable number, because it can be changed into a prime (1022110021991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686901153 + ... + 686902640.

It is an arithmetic number, because the mean of its divisors is an integer number (82428227640).

Almost surely, 2^{1022110021992} is an apocalyptic number.

1022110021992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022110021992 is an abundant number, since it is smaller than the sum of its proper divisors (1615593262488).

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

1022110021992 is a wasteful number, since it uses less digits than its factorization.

1022110021992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373803833 (or 1373803829 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 1022110021992 in words is "one trillion, twenty-two billion, one hundred ten million, twenty-one thousand, nine hundred ninety-two".