1122102200021 has 16 divisors (see below), whose sum is σ = 1234566312000. Its totient is φ = 1019813390640.

The previous prime is 1122102200017. The next prime is 1122102200033. The reversal of 1122102200021 is 1200022012211.

It is not a de Polignac number, because 1122102200021 - 2² = 1122102200017 is a prime.

It is a super-2 number, since 2×1122102200021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122102199969 and 1122102200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122102200041) 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, 4823030 + ... + 5050328.

It is an arithmetic number, because the mean of its divisors is an integer number (77160394500).

Almost surely, 2^{1122102200021} is an apocalyptic number.

1122102200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122102200021 is a deficient number, since it is larger than the sum of its proper divisors (112464111979).

1122102200021 is an equidigital number, since it uses as much as digits as its factorization.

1122102200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231041 (or 231019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1122102200021 its reverse (1200022012211), we get a palindrome (2322124212232).

The spelling of 1122102200021 in words is "one trillion, one hundred twenty-two billion, one hundred two million, two hundred thousand, twenty-one".