212211110200051 has 2 divisors, whose sum is σ = 212211110200052. Its totient is φ = 212211110200050.

The previous prime is 212211110200049. The next prime is 212211110200099. The reversal of 212211110200051 is 150002011112212.

212211110200051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212211110200051 - 2¹ = 212211110200049 is a prime.

Together with 212211110200049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212211110200651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105555100025 + 106105555100026.

It is an arithmetic number, because the mean of its divisors is an integer number (106105555100026).

Almost surely, 2^{212211110200051} is an apocalyptic number.

212211110200051 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211110200051 is an equidigital number, since it uses as much as digits as its factorization.

212211110200051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 212211110200051 its reverse (150002011112212), we get a palindrome (362213121312263).

The spelling of 212211110200051 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred ten million, two hundred thousand, fifty-one".