102010100869 has 2 divisors, whose sum is σ = 102010100870. Its totient is φ = 102010100868.

The previous prime is 102010100849. The next prime is 102010101001. The reversal of 102010100869 is 968001010201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58772304900 + 43237795969 = 242430^2 + 207937^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010100869 - 2⁵ = 102010100837 is a prime.

It is a super-2 number, since 2×102010100869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010100849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005050434 + 51005050435.

It is an arithmetic number, because the mean of its divisors is an integer number (51005050435).

Almost surely, 2^102010100869 is an apocalyptic number.

It is an amenable number.

102010100869 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010100869 is an equidigital number, since it uses as much as digits as its factorization.

102010100869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 102010100869 in words is "one hundred two billion, ten million, one hundred thousand, eight hundred sixty-nine".