211101100051 has 2 divisors, whose sum is σ = 211101100052. Its totient is φ = 211101100050.

The previous prime is 211101099983. The next prime is 211101100109. The reversal of 211101100051 is 150001101112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211101100051 - 2²⁷ = 210966882323 is a prime.

It is not a weakly prime, because it can be changed into another prime (211101100451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550550025 + 105550550026.

It is an arithmetic number, because the mean of its divisors is an integer number (105550550026).

Almost surely, 2^211101100051 is an apocalyptic number.

211101100051 is a deficient number, since it is larger than the sum of its proper divisors (1).

211101100051 is an equidigital number, since it uses as much as digits as its factorization.

211101100051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 13.

Adding to 211101100051 its reverse (150001101112), we get a palindrome (361102201163).

The spelling of 211101100051 in words is "two hundred eleven billion, one hundred one million, one hundred thousand, fifty-one".