102122221051 has 2 divisors, whose sum is σ = 102122221052. Its totient is φ = 102122221050.

The previous prime is 102122221049. The next prime is 102122221081. The reversal of 102122221051 is 150122221201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102122221051 - 2¹ = 102122221049 is a prime.

Together with 102122221049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102122221081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061110525 + 51061110526.

It is an arithmetic number, because the mean of its divisors is an integer number (51061110526).

Almost surely, 2^102122221051 is an apocalyptic number.

102122221051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122221051 is an equidigital number, since it uses as much as digits as its factorization.

102122221051 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 102122221051 its reverse (150122221201), we get a palindrome (252244442252).

The spelling of 102122221051 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, fifty-one".