211222102201051 has 2 divisors, whose sum is σ = 211222102201052. Its totient is φ = 211222102201050.

The previous prime is 211222102201049. The next prime is 211222102201223. The reversal of 211222102201051 is 150102201222112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211222102201051 - 2¹ = 211222102201049 is a prime.

It is a super-2 number, since 2×211222102201051² (a number of 29 digits) contains 22 as substring.

Together with 211222102201049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211222102202051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611051100525 + 105611051100526.

It is an arithmetic number, because the mean of its divisors is an integer number (105611051100526).

Almost surely, 2^{211222102201051} is an apocalyptic number.

211222102201051 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222102201051 is an equidigital number, since it uses as much as digits as its factorization.

211222102201051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 211222102201051 its reverse (150102201222112), we get a palindrome (361324303423163).

The spelling of 211222102201051 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred one thousand, fifty-one".