101278738113 has 32 divisors (see below), whose sum is σ = 157948876800. Its totient is φ = 56516818176.

The previous prime is 101278738103. The next prime is 101278738123. The reversal of 101278738113 is 311837872101.

It is an interprime number because it is at equal distance from previous prime (101278738103) and next prime (101278738123).

It is not a de Polignac number, because 101278738113 - 2²² = 101274543809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101278738103) 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, 7975273 + ... + 7987961.

It is an arithmetic number, because the mean of its divisors is an integer number (4935902400).

Almost surely, 2^101278738113 is an apocalyptic number.

It is an amenable number.

101278738113 is a deficient number, since it is larger than the sum of its proper divisors (56670138687).

101278738113 is a wasteful number, since it uses less digits than its factorization.

101278738113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21581.

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 101278738113 in words is "one hundred one billion, two hundred seventy-eight million, seven hundred thirty-eight thousand, one hundred thirteen".