102300203009981 has 2 divisors, whose sum is σ = 102300203009982. Its totient is φ = 102300203009980.

The previous prime is 102300203009951. The next prime is 102300203010037. The reversal of 102300203009981 is 189900302003201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88873042562500 + 13427160447481 = 9427250^2 + 3664309^2 .

It is a cyclic number.

It is not a de Polignac number, because 102300203009981 - 2¹⁸ = 102300202747837 is a prime.

It is a super-2 number, since 2×102300203009981² (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 (102300203009951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51150101504990 + 51150101504991.

It is an arithmetic number, because the mean of its divisors is an integer number (51150101504991).

Almost surely, 2^{102300203009981} is an apocalyptic number.

It is an amenable number.

102300203009981 is a deficient number, since it is larger than the sum of its proper divisors (1).

102300203009981 is an equidigital number, since it uses as much as digits as its factorization.

102300203009981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 102300203009981 in words is "one hundred two trillion, three hundred billion, two hundred three million, nine thousand, nine hundred eighty-one".