211020222010051 has 2 divisors, whose sum is σ = 211020222010052. Its totient is φ = 211020222010050.

The previous prime is 211020222010001. The next prime is 211020222010127. The reversal of 211020222010051 is 150010222020112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211020222010051 - 2¹³ = 211020222001859 is a prime.

It is not a weakly prime, because it can be changed into another prime (211020222010001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510111005025 + 105510111005026.

It is an arithmetic number, because the mean of its divisors is an integer number (105510111005026).

Almost surely, 2^{211020222010051} is an apocalyptic number.

211020222010051 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020222010051 is an equidigital number, since it uses as much as digits as its factorization.

211020222010051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 211020222010051 its reverse (150010222020112), we get a palindrome (361030444030163).

The spelling of 211020222010051 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, ten thousand, fifty-one".