2101012012211 has 16 divisors (see below), whose sum is σ = 2510005169664. Its totient is φ = 1719509155584.

The previous prime is 2101012012207. The next prime is 2101012012259. The reversal of 2101012012211 is 1122102101012.

It is a cyclic number.

It is not a de Polignac number, because 2101012012211 - 2² = 2101012012207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101012012711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11498846 + ... + 11680131.

It is an arithmetic number, because the mean of its divisors is an integer number (156875323104).

Almost surely, 2^{2101012012211} is an apocalyptic number.

2101012012211 is a deficient number, since it is larger than the sum of its proper divisors (408993157453).

2101012012211 is a wasteful number, since it uses less digits than its factorization.

2101012012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23179570.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101012012211 its reverse (1122102101012), we get a palindrome (3223114113223).

The spelling of 2101012012211 in words is "two trillion, one hundred one billion, twelve million, twelve thousand, two hundred eleven".