103926109221 has 12 divisors (see below), whose sum is σ = 163762354080. Its totient is φ = 62985520680.

The previous prime is 103926109169. The next prime is 103926109241. The reversal of 103926109221 is 122901629301.

103926109221 is a `hidden beast` number, since 1 + 0 + 39 + 2 + 610 + 9 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 103926109221 - 2⁷ = 103926109093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103926109241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524879241 + ... + 524879438.

It is an arithmetic number, because the mean of its divisors is an integer number (13646862840).

Almost surely, 2^103926109221 is an apocalyptic number.

103926109221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103926109221 is a deficient number, since it is larger than the sum of its proper divisors (59836244859).

103926109221 is a wasteful number, since it uses less digits than its factorization.

103926109221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049758696 (or 1049758693 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 103926109221 in words is "one hundred three billion, nine hundred twenty-six million, one hundred nine thousand, two hundred twenty-one".