2111210000120 has 64 divisors (see below), whose sum is σ = 5124809178720. Its totient is φ = 778124081664.

The previous prime is 2111210000113. The next prime is 2111210000149. The reversal of 2111210000120 is 210000121112.

It is a congruent number.

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, 3354902 + ... + 3934181.

Almost surely, 2^{2111210000120} is an apocalyptic number.

2111210000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111210000120 is an abundant number, since it is smaller than the sum of its proper divisors (3013599178600).

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

2111210000120 is a wasteful number, since it uses less digits than its factorization.

2111210000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289664 (or 7289660 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2111210000120 its reverse (210000121112), we get a palindrome (2321210121232).

The spelling of 2111210000120 in words is "two trillion, one hundred eleven billion, two hundred ten million, one hundred twenty", and thus it is an aban number.