1122020999956 has 24 divisors (see below), whose sum is σ = 1998796464000. Its totient is φ = 550955147904.

The previous prime is 1122020999933. The next prime is 1122020999969. The reversal of 1122020999956 is 6599990202211.

It is a super-2 number, since 2×1122020999956² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122020999897 and 1122020999906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117836 + ... + 2594083.

It is an arithmetic number, because the mean of its divisors is an integer number (83283186000).

Almost surely, 2^{1122020999956} is an apocalyptic number.

It is an amenable number.

1122020999956 is a deficient number, since it is larger than the sum of its proper divisors (876775464044).

1122020999956 is a wasteful number, since it uses less digits than its factorization.

1122020999956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712991 (or 4712989 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 55.

The spelling of 1122020999956 in words is "one trillion, one hundred twenty-two billion, twenty million, nine hundred ninety-nine thousand, nine hundred fifty-six".