102111000373 has 2 divisors, whose sum is σ = 102111000374. Its totient is φ = 102111000372.

The previous prime is 102111000359. The next prime is 102111000389. The reversal of 102111000373 is 373000111201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93503243089 + 8607757284 = 305783^2 + 92778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102111000373 is a prime.

It is a super-2 number, since 2×102111000373² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102111000373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111000473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055500186 + 51055500187.

It is an arithmetic number, because the mean of its divisors is an integer number (51055500187).

Almost surely, 2^102111000373 is an apocalyptic number.

It is an amenable number.

102111000373 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111000373 is an equidigital number, since it uses as much as digits as its factorization.

102111000373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

Adding to 102111000373 its reverse (373000111201), we get a palindrome (475111111574).

The spelling of 102111000373 in words is "one hundred two billion, one hundred eleven million, three hundred seventy-three", and thus it is an aban number.