2101233111211 has 24 divisors (see below), whose sum is σ = 2414467215360. Its totient is φ = 1823823926496.

The previous prime is 2101233111167. The next prime is 2101233111253. The reversal of 2101233111211 is 1121113321012.

It is not a de Polignac number, because 2101233111211 - 2²³ = 2101224722603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101233115211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4351851 + ... + 4810516.

It is an arithmetic number, because the mean of its divisors is an integer number (100602800640).

Almost surely, 2^{2101233111211} is an apocalyptic number.

2101233111211 is a deficient number, since it is larger than the sum of its proper divisors (313234104149).

2101233111211 is a wasteful number, since it uses less digits than its factorization.

2101233111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162475 (or 9162462 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2101233111211 its reverse (1121113321012), we get a palindrome (3222346432223).

The spelling of 2101233111211 in words is "two trillion, one hundred one billion, two hundred thirty-three million, one hundred eleven thousand, two hundred eleven".