2111011220120 has 96 divisors (see below), whose sum is σ = 5258388920400. Its totient is φ = 762117607680.

The previous prime is 2111011220119. The next prime is 2111011220189. The reversal of 2111011220120 is 210221101112.

It is a junction number, because it is equal to n+sod(n) for n = 2111011220095 and 2111011220104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896159 + ... + 2241678.

Almost surely, 2^{2111011220120} is an apocalyptic number.

2111011220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111011220120 is an abundant number, since it is smaller than the sum of its proper divisors (3147377700280).

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

2111011220120 is a wasteful number, since it uses less digits than its factorization.

2111011220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138009 (or 3137994 counting only the distinct ones).

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

Adding to 2111011220120 its reverse (210221101112), we get a palindrome (2321232321232).

The spelling of 2111011220120 in words is "two trillion, one hundred eleven billion, eleven million, two hundred twenty thousand, one hundred twenty".