20109110102 has 8 divisors (see below), whose sum is σ = 30243253800. Its totient is φ = 10028025504.

The previous prime is 20109110011. The next prime is 20109110159. The reversal of 20109110102 is 20101190102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13263827 + ... + 13265342.

It is an arithmetic number, because the mean of its divisors is an integer number (3780406725).

Almost surely, 2^20109110102 is an apocalyptic number.

20109110102 is a deficient number, since it is larger than the sum of its proper divisors (10134143698).

20109110102 is a wasteful number, since it uses less digits than its factorization.

20109110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26529550.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 20109110102 in words is "twenty billion, one hundred nine million, one hundred ten thousand, one hundred two".