102121331969 has 2 divisors, whose sum is σ = 102121331970. Its totient is φ = 102121331968.

The previous prime is 102121331927. The next prime is 102121332007. The reversal of 102121331969 is 969133121201.

It is an a-pointer prime, because the next prime (102121332007) can be obtained adding 102121331969 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87727331344 + 14394000625 = 296188^2 + 119975^2 .

It is a cyclic number.

It is not a de Polignac number, because 102121331969 - 2²⁸ = 101852896513 is a prime.

It is a super-2 number, since 2×102121331969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102121331569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060665984 + 51060665985.

It is an arithmetic number, because the mean of its divisors is an integer number (51060665985).

Almost surely, 2^102121331969 is an apocalyptic number.

It is an amenable number.

102121331969 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121331969 is an equidigital number, since it uses as much as digits as its factorization.

102121331969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 102121331969 in words is "one hundred two billion, one hundred twenty-one million, three hundred thirty-one thousand, nine hundred sixty-nine".