11121210002120 has 64 divisors (see below), whose sum is σ = 25274095165440. Its totient is φ = 4403808160000.

The previous prime is 11121210002051. The next prime is 11121210002153. The reversal of 11121210002120 is 2120001212111.

It is a super-2 number, since 2×11121210002120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121210002095 and 11121210002104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28502345 + ... + 28889895.

It is an arithmetic number, because the mean of its divisors is an integer number (394907736960).

Almost surely, 2^{11121210002120} is an apocalyptic number.

11121210002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121210002120 is an abundant number, since it is smaller than the sum of its proper divisors (14152885163320).

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

11121210002120 is a wasteful number, since it uses less digits than its factorization.

11121210002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394766 (or 394762 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121210002120 its reverse (2120001212111), we get a palindrome (13241211214231).

The spelling of 11121210002120 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, two thousand, one hundred twenty".