1122112012021 has 64 divisors (see below), whose sum is σ = 1527928012800. Its totient is φ = 795761568000.

The previous prime is 1122112012013. The next prime is 1122112012057. The reversal of 1122112012021 is 1202102112211.

It is not a de Polignac number, because 1122112012021 - 2³ = 1122112012013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122112011986 and 1122112012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122112010021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24139920 + ... + 24186358.

It is an arithmetic number, because the mean of its divisors is an integer number (23873875200).

Almost surely, 2^{1122112012021} is an apocalyptic number.

1122112012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122112012021 is a deficient number, since it is larger than the sum of its proper divisors (405816000779).

1122112012021 is a wasteful number, since it uses less digits than its factorization.

1122112012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122112012021 its reverse (1202102112211), we get a palindrome (2324214124232).

The spelling of 1122112012021 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, twelve thousand, twenty-one".