102012101210051 has 2 divisors, whose sum is σ = 102012101210052. Its totient is φ = 102012101210050.

The previous prime is 102012101209987. The next prime is 102012101210053. The reversal of 102012101210051 is 150012101210201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102012101210051 - 2⁶ = 102012101209987 is a prime.

Together with 102012101210053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102012101210053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006050605025 + 51006050605026.

It is an arithmetic number, because the mean of its divisors is an integer number (51006050605026).

Almost surely, 2^{102012101210051} is an apocalyptic number.

102012101210051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012101210051 is an equidigital number, since it uses as much as digits as its factorization.

102012101210051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 102012101210051 its reverse (150012101210201), we get a palindrome (252024202420252).

The spelling of 102012101210051 in words is "one hundred two trillion, twelve billion, one hundred one million, two hundred ten thousand, fifty-one".