11212111120120 has 32 divisors (see below), whose sum is σ = 25227347486400. Its totient is φ = 4484827120768.

The previous prime is 11212111120103. The next prime is 11212111120219. The reversal of 11212111120120 is 2102111121211.

It is a super-2 number, since 2×11212111120120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212111120094 and 11212111120103.

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, 16789242 + ... + 17444278.

It is an arithmetic number, because the mean of its divisors is an integer number (788354608950).

Almost surely, 2^{11212111120120} is an apocalyptic number.

11212111120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212111120120 is an abundant number, since it is smaller than the sum of its proper divisors (14015236366280).

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

11212111120120 is a wasteful number, since it uses less digits than its factorization.

11212111120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082967 (or 1082963 counting only the distinct ones).

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

Adding to 11212111120120 its reverse (2102111121211), we get a palindrome (13314222241331).

The spelling of 11212111120120 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty".