102321119977 has 2 divisors, whose sum is σ = 102321119978. Its totient is φ = 102321119976.

The previous prime is 102321119951. The next prime is 102321120001. The reversal of 102321119977 is 779911123201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102218320656 + 102799321 = 319716^2 + 10139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102321119977 is a prime.

It is a super-2 number, since 2×102321119977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102321119777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160559988 + 51160559989.

It is an arithmetic number, because the mean of its divisors is an integer number (51160559989).

Almost surely, 2^102321119977 is an apocalyptic number.

It is an amenable number.

102321119977 is a deficient number, since it is larger than the sum of its proper divisors (1).

102321119977 is an equidigital number, since it uses as much as digits as its factorization.

102321119977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 43.

The spelling of 102321119977 in words is "one hundred two billion, three hundred twenty-one million, one hundred nineteen thousand, nine hundred seventy-seven".