2021120010210 has 128 divisors (see below), whose sum is σ = 5600157917184. Its totient is φ = 457263417600.

The previous prime is 2021120010197. The next prime is 2021120010229. The reversal of 2021120010210 is 120100211202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85400839 + ... + 85424501.

It is an arithmetic number, because the mean of its divisors is an integer number (43751233728).

Almost surely, 2^{2021120010210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021120010210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2800078958592).

2021120010210 is an abundant number, since it is smaller than the sum of its proper divisors (3579037906974).

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

2021120010210 is a wasteful number, since it uses less digits than its factorization.

2021120010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27808.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021120010210 its reverse (120100211202), we get a palindrome (2141220221412).

The spelling of 2021120010210 in words is "two trillion, twenty-one billion, one hundred twenty million, ten thousand, two hundred ten".