102321113213149 has 2 divisors, whose sum is σ = 102321113213150. Its totient is φ = 102321113213148.

The previous prime is 102321113213087. The next prime is 102321113213171. The reversal of 102321113213149 is 941312311123201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71438163452100 + 30882949761049 = 8452110^2 + 5557243^2 .

It is a cyclic number.

It is not a de Polignac number, because 102321113213149 - 2²¹ = 102321111115997 is a prime.

It is a super-2 number, since 2×102321113213149² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102321113013149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160556606574 + 51160556606575.

It is an arithmetic number, because the mean of its divisors is an integer number (51160556606575).

Almost surely, 2^{102321113213149} is an apocalyptic number.

It is an amenable number.

102321113213149 is a deficient number, since it is larger than the sum of its proper divisors (1).

102321113213149 is an equidigital number, since it uses as much as digits as its factorization.

102321113213149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 102321113213149 in words is "one hundred two trillion, three hundred twenty-one billion, one hundred thirteen million, two hundred thirteen thousand, one hundred forty-nine".