1122102112020 has 48 divisors (see below), whose sum is σ = 3142266167040. Its totient is φ = 299191015296.

The previous prime is 1122102112009. The next prime is 1122102112063. The reversal of 1122102112020 is 202112012211.

It is a super-2 number, since 2×1122102112020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 629980 + ... + 1625139.

It is an arithmetic number, because the mean of its divisors is an integer number (65463878480).

Almost surely, 2^{1122102112020} is an apocalyptic number.

1122102112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122102112020 is an abundant number, since it is smaller than the sum of its proper divisors (2020164055020).

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

1122102112020 is a wasteful number, since it uses less digits than its factorization.

1122102112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263424 (or 2263422 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122102112020 its reverse (202112012211), we get a palindrome (1324214124231).

The spelling of 1122102112020 in words is "one trillion, one hundred twenty-two billion, one hundred two million, one hundred twelve thousand, twenty".