20102100112 has 10 divisors (see below), whose sum is σ = 38947818998. Its totient is φ = 10051050048.

The previous prime is 20102100097. The next prime is 20102100121. The reversal of 20102100112 is 21100120102.

It can be written as a sum of positive squares in only one way, i.e., 19617924096 + 484176016 = 140064^2 + 22004^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628190613 + ... + 628190644.

Almost surely, 2^20102100112 is an apocalyptic number.

It is an amenable number.

20102100112 is a deficient number, since it is larger than the sum of its proper divisors (18845718886).

20102100112 is a wasteful number, since it uses less digits than its factorization.

20102100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256381265 (or 1256381259 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20102100112 its reverse (21100120102), we get a palindrome (41202220214).

The spelling of 20102100112 in words is "twenty billion, one hundred two million, one hundred thousand, one hundred twelve".