102101189951 has 2 divisors, whose sum is σ = 102101189952. Its totient is φ = 102101189950.

The previous prime is 102101189947. The next prime is 102101189989. The reversal of 102101189951 is 159981101201.

It is an a-pointer prime, because the next prime (102101189989) can be obtained adding 102101189951 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102101189951 - 2² = 102101189947 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102101189251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050594975 + 51050594976.

It is an arithmetic number, because the mean of its divisors is an integer number (51050594976).

Almost surely, 2^102101189951 is an apocalyptic number.

102101189951 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101189951 is an equidigital number, since it uses as much as digits as its factorization.

102101189951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 38.

The spelling of 102101189951 in words is "one hundred two billion, one hundred one million, one hundred eighty-nine thousand, nine hundred fifty-one".