102111111210151 has 2 divisors, whose sum is σ = 102111111210152. Its totient is φ = 102111111210150.

The previous prime is 102111111210139. The next prime is 102111111210253. The reversal of 102111111210151 is 151012111111201.

It is a weak prime.

It is an emirp because it is prime and its reverse (151012111111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102111111210151 - 2⁷ = 102111111210023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111111210551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055555605075 + 51055555605076.

It is an arithmetic number, because the mean of its divisors is an integer number (51055555605076).

Almost surely, 2^{102111111210151} is an apocalyptic number.

102111111210151 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111111210151 is an equidigital number, since it uses as much as digits as its factorization.

102111111210151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 19.

Adding to 102111111210151 its reverse (151012111111201), we get a palindrome (253123222321352).

The spelling of 102111111210151 in words is "one hundred two trillion, one hundred eleven billion, one hundred eleven million, two hundred ten thousand, one hundred fifty-one".