20101110100 has 36 divisors (see below), whose sum is σ = 43626179968. Its totient is φ = 8039196000.

The previous prime is 20101110091. The next prime is 20101110101. The reversal of 20101110100 is 101110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898045 + ... + 920155.

Almost surely, 2^20101110100 is an apocalyptic number.

20101110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101110100 is an abundant number, since it is smaller than the sum of its proper divisors (23525069868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101110100 is a wasteful number, since it uses less digits than its factorization.

20101110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31216 (or 31209 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 20101110100 its reverse (101110102), we get a palindrome (20202220202).

The spelling of 20101110100 in words is "twenty billion, one hundred one million, one hundred ten thousand, one hundred".