2120031102211 has 4 divisors (see below), whose sum is σ = 2312761202424. Its totient is φ = 1927301002000.

The previous prime is 2120031102179. The next prime is 2120031102221. The reversal of 2120031102211 is 1122011300212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2120031102211 - 2⁵ = 2120031102179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120031102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96365050090 + ... + 96365050111.

It is an arithmetic number, because the mean of its divisors is an integer number (578190300606).

Almost surely, 2^{2120031102211} is an apocalyptic number.

2120031102211 is a deficient number, since it is larger than the sum of its proper divisors (192730100213).

2120031102211 is a wasteful number, since it uses less digits than its factorization.

2120031102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192730100212.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2120031102211 its reverse (1122011300212), we get a palindrome (3242042402423).

The spelling of 2120031102211 in words is "two trillion, one hundred twenty billion, thirty-one million, one hundred two thousand, two hundred eleven".