1122020999990 has 128 divisors (see below), whose sum is σ = 2303319006720. Its totient is φ = 389781504000.

The previous prime is 1122020999989. The next prime is 1122021000007. The reversal of 1122020999990 is 999990202211.

It is a super-2 number, since 2×1122020999990² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 393552065 + ... + 393554915.

It is an arithmetic number, because the mean of its divisors is an integer number (17994679740).

Almost surely, 2^{1122020999990} is an apocalyptic number.

1122020999990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122020999990 is an abundant number, since it is smaller than the sum of its proper divisors (1181298006730).

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

1122020999990 is a wasteful number, since it uses less digits than its factorization.

1122020999990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158.

The product of its (nonzero) digits is 472392, while the sum is 53.

The spelling of 1122020999990 in words is "one trillion, one hundred twenty-two billion, twenty million, nine hundred ninety-nine thousand, nine hundred ninety".