102220012210051 has 2 divisors, whose sum is σ = 102220012210052. Its totient is φ = 102220012210050.

The previous prime is 102220012210049. The next prime is 102220012210079. The reversal of 102220012210051 is 150012210022201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102220012210051 - 2¹ = 102220012210049 is a prime.

Together with 102220012210049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102220012210031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110006105025 + 51110006105026.

It is an arithmetic number, because the mean of its divisors is an integer number (51110006105026).

Almost surely, 2^{102220012210051} is an apocalyptic number.

102220012210051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220012210051 is an equidigital number, since it uses as much as digits as its factorization.

102220012210051 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 102220012210051 its reverse (150012210022201), we get a palindrome (252232222232252).

The spelling of 102220012210051 in words is "one hundred two trillion, two hundred twenty billion, twelve million, two hundred ten thousand, fifty-one".