20212101110100 has 36 divisors (see below), whose sum is σ = 58480345879424. Its totient is φ = 5389893629280.

The previous prime is 20212101110093. The next prime is 20212101110177. The reversal of 20212101110100 is 101110121202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33686834884 + ... + 33686835483.

Almost surely, 2^{20212101110100} is an apocalyptic number.

20212101110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212101110100 is an abundant number, since it is smaller than the sum of its proper divisors (38268244769324).

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

20212101110100 is a wasteful number, since it uses less digits than its factorization.

20212101110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67373670384 (or 67373670377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20212101110100 its reverse (101110121202), we get a palindrome (20313211231302).

The spelling of 20212101110100 in words is "twenty trillion, two hundred twelve billion, one hundred one million, one hundred ten thousand, one hundred".