102278910201 has 32 divisors (see below), whose sum is σ = 152394181632. Its totient is φ = 60611181120.

The previous prime is 102278910179. The next prime is 102278910281. The reversal of 102278910201 is 102019872201.

It is not a de Polignac number, because 102278910201 - 2³³ = 93688975609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102278910281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310435 + ... + 548568.

It is an arithmetic number, because the mean of its divisors is an integer number (4762318176).

Almost surely, 2^102278910201 is an apocalyptic number.

It is an amenable number.

102278910201 is a deficient number, since it is larger than the sum of its proper divisors (50115271431).

102278910201 is a wasteful number, since it uses less digits than its factorization.

102278910201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859133.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 102278910201 in words is "one hundred two billion, two hundred seventy-eight million, nine hundred ten thousand, two hundred one".