20210101211130 has 64 divisors (see below), whose sum is σ = 48594382316928. Its totient is φ = 5379351056640.

The previous prime is 20210101211129. The next prime is 20210101211137. The reversal of 20210101211130 is 3111210101202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20210101211137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52200060 + ... + 52585800.

It is an arithmetic number, because the mean of its divisors is an integer number (759287223702).

Almost surely, 2^{20210101211130} is an apocalyptic number.

20210101211130 is an abundant number, since it is smaller than the sum of its proper divisors (28384281105798).

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

20210101211130 is a wasteful number, since it uses less digits than its factorization.

20210101211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388991.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20210101211130 its reverse (3111210101202), we get a palindrome (23321311312332).

The spelling of 20210101211130 in words is "twenty trillion, two hundred ten billion, one hundred one million, two hundred eleven thousand, one hundred thirty".