210112201021020 has 192 divisors, whose sum is σ = 609290063940096. Its totient is φ = 54067195653120.

The previous prime is 210112201021013. The next prime is 210112201021043. The reversal of 210112201021020 is 20120102211012.

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

It is a congruent number.

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, 2899382827 + ... + 2899455293.

It is an arithmetic number, because the mean of its divisors is an integer number (3173385749688).

Almost surely, 2^{210112201021020} is an apocalyptic number.

210112201021020 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 210112201021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304645031970048).

210112201021020 is an abundant number, since it is smaller than the sum of its proper divisors (399177862919076).

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

210112201021020 is a wasteful number, since it uses less digits than its factorization.

210112201021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87540 (or 87538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210112201021020 its reverse (20120102211012), we get a palindrome (230232303232032).

The spelling of 210112201021020 in words is "two hundred ten trillion, one hundred twelve billion, two hundred one million, twenty-one thousand, twenty".