100868496281 has 4 divisors (see below), whose sum is σ = 115278281472. Its totient is φ = 86458711092.

The previous prime is 100868496259. The next prime is 100868496347. The reversal of 100868496281 is 182694868001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182694868001 = 253013 ⋅722077.

It is a cyclic number.

It is not a de Polignac number, because 100868496281 - 2³⁰ = 99794754457 is a prime.

It is a super-2 number, since 2×100868496281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100868492281) 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, 7204892585 + ... + 7204892598.

It is an arithmetic number, because the mean of its divisors is an integer number (28819570368).

Almost surely, 2^100868496281 is an apocalyptic number.

It is an amenable number.

100868496281 is a deficient number, since it is larger than the sum of its proper divisors (14409785191).

100868496281 is an equidigital number, since it uses as much as digits as its factorization.

100868496281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409785190.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 100868496281 in words is "one hundred billion, eight hundred sixty-eight million, four hundred ninety-six thousand, two hundred eighty-one".