210201011222020 has 192 divisors, whose sum is σ = 544793045368320. Its totient is φ = 66341003968512.

The previous prime is 210201011222003. The next prime is 210201011222021. The reversal of 210201011222020 is 20222110102012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210201011221985 and 210201011222003.

It is not an unprimeable number, because it can be changed into a prime (210201011222021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7210255764 + ... + 7210284916.

It is an arithmetic number, because the mean of its divisors is an integer number (2837463777960).

Almost surely, 2^{210201011222020} is an apocalyptic number.

210201011222020 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 210201011222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272396522684160).

210201011222020 is an abundant number, since it is smaller than the sum of its proper divisors (334592034146300).

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

210201011222020 is a wasteful number, since it uses less digits than its factorization.

210201011222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40014 (or 40012 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210201011222020 its reverse (20222110102012), we get a palindrome (230423121324032).

The spelling of 210201011222020 in words is "two hundred ten trillion, two hundred one billion, eleven million, two hundred twenty-two thousand, twenty".