102011302687 has 4 divisors (see below), whose sum is σ = 116584345936. Its totient is φ = 87438259440.

The previous prime is 102011302583. The next prime is 102011302709. The reversal of 102011302687 is 786203110201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786203110201 = 211 ⋅3726081091.

It is not a de Polignac number, because 102011302687 - 2⁷ = 102011302559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011302187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7286521614 + ... + 7286521627.

It is an arithmetic number, because the mean of its divisors is an integer number (29146086484).

Almost surely, 2^102011302687 is an apocalyptic number.

102011302687 is a deficient number, since it is larger than the sum of its proper divisors (14573043249).

102011302687 is an equidigital number, since it uses as much as digits as its factorization.

102011302687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14573043248.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 102011302687 its reverse (786203110201), we get a palindrome (888214412888).

The spelling of 102011302687 in words is "one hundred two billion, eleven million, three hundred two thousand, six hundred eighty-seven".