101238472899 has 6 divisors (see below), whose sum is σ = 146233349756. Its totient is φ = 67492315260.

The previous prime is 101238472897. The next prime is 101238472949. The reversal of 101238472899 is 998274832101.

101238472899 is a `hidden beast` number, since 101 + 2 + 384 + 72 + 8 + 99 = 666.

It is not a de Polignac number, because 101238472899 - 2¹ = 101238472897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101238472897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5624359597 + ... + 5624359614.

Almost surely, 2^101238472899 is an apocalyptic number.

101238472899 is a deficient number, since it is larger than the sum of its proper divisors (44994876857).

101238472899 is a wasteful number, since it uses less digits than its factorization.

101238472899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248719217 (or 11248719214 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 101238472899 in words is "one hundred one billion, two hundred thirty-eight million, four hundred seventy-two thousand, eight hundred ninety-nine".