20210110212100 has 144 divisors (see below), whose sum is σ = 45859920332800. Its totient is φ = 7721505792000.

The previous prime is 20210110212037. The next prime is 20210110212101. The reversal of 20210110212100 is 121201101202.

It is not an unprimeable number, because it can be changed into a prime (20210110212101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 776075080 + ... + 776101120.

Almost surely, 2^{20210110212100} is an apocalyptic number.

20210110212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210110212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22929960166400).

20210110212100 is an abundant number, since it is smaller than the sum of its proper divisors (25649810120700).

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

20210110212100 is a wasteful number, since it uses less digits than its factorization.

20210110212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29334 (or 29327 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20210110212100 its reverse (121201101202), we get a palindrome (20331311313302).

The spelling of 20210110212100 in words is "twenty trillion, two hundred ten billion, one hundred ten million, two hundred twelve thousand, one hundred".