11122012212120 has 48 divisors (see below), whose sum is σ = 36146539690560. Its totient is φ = 2965869923136.

The previous prime is 11122012212107. The next prime is 11122012212133. The reversal of 11122012212120 is 2121221022111.

11122012212120 is a `hidden beast` number, since 1 + 11 + 220 + 1 + 221 + 212 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11122012212107) and next prime (11122012212133).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11122012212093 and 11122012212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15447238824 + ... + 15447239543.

It is an arithmetic number, because the mean of its divisors is an integer number (753052910220).

Almost surely, 2^{11122012212120} is an apocalyptic number.

11122012212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122012212120 is an abundant number, since it is smaller than the sum of its proper divisors (25024527478440).

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

11122012212120 is a wasteful number, since it uses less digits than its factorization.

11122012212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30894478384 (or 30894478377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11122012212120 its reverse (2121221022111), we get a palindrome (13243233234231).

The spelling of 11122012212120 in words is "eleven trillion, one hundred twenty-two billion, twelve million, two hundred twelve thousand, one hundred twenty".