2120111210000 has 100 divisors (see below), whose sum is σ = 5866287337152. Its totient is φ = 726895248000.

The previous prime is 2120111209963. The next prime is 2120111210017. The reversal of 2120111210000 is 121110212.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15073652 + ... + 15213651.

Almost surely, 2^{2120111210000} is an apocalyptic number.

2120111210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120111210000 is an abundant number, since it is smaller than the sum of its proper divisors (3746176127152).

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

2120111210000 is an equidigital number, since it uses as much as digits as its factorization.

2120111210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30287338 (or 30287317 counting only the distinct ones).

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

Adding to 2120111210000 its reverse (121110212), we get a palindrome (2120232320212).

The spelling of 2120111210000 in words is "two trillion, one hundred twenty billion, one hundred eleven million, two hundred ten thousand".