2120313122111 has 8 divisors (see below), whose sum is σ = 2147354296320. Its totient is φ = 2093276992248.

The previous prime is 2120313122089. The next prime is 2120313122149. The reversal of 2120313122111 is 1112213130212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120313122111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120313122611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411431 + ... + 2099976.

It is an arithmetic number, because the mean of its divisors is an integer number (268419287040).

Almost surely, 2^{2120313122111} is an apocalyptic number.

2120313122111 is a deficient number, since it is larger than the sum of its proper divisors (27041174209).

2120313122111 is a wasteful number, since it uses less digits than its factorization.

2120313122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522173.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2120313122111 its reverse (1112213130212), we get a palindrome (3232526252323).

The spelling of 2120313122111 in words is "two trillion, one hundred twenty billion, three hundred thirteen million, one hundred twenty-two thousand, one hundred eleven".