11220120992 has 24 divisors (see below), whose sum is σ = 22369233600. Its totient is φ = 5539045824.

The previous prime is 11220120973. The next prime is 11220121001. The reversal of 11220120992 is 29902102211.

It is a super-2 number, since 2×11220120992² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216642 + ... + 2221697.

It is an arithmetic number, because the mean of its divisors is an integer number (932051400).

Almost surely, 2^11220120992 is an apocalyptic number.

It is an amenable number.

11220120992 is a deficient number, since it is larger than the sum of its proper divisors (11149112608).

11220120992 is an equidigital number, since it uses as much as digits as its factorization.

11220120992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438428 (or 4438420 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 11220120992 in words is "eleven billion, two hundred twenty million, one hundred twenty thousand, nine hundred ninety-two".