201000122022210 has 512 divisors, whose sum is σ = 581321816064000. Its totient is φ = 43525076668416.

The previous prime is 201000122022131. The next prime is 201000122022239. The reversal of 201000122022210 is 12220221000102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201000122022210.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 20681147731 + ... + 20681157449.

It is an arithmetic number, because the mean of its divisors is an integer number (1135394172000).

Almost surely, 2^{201000122022210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201000122022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290660908032000).

201000122022210 is an abundant number, since it is smaller than the sum of its proper divisors (380321694041790).

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

201000122022210 is a wasteful number, since it uses less digits than its factorization.

201000122022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201000122022210 its reverse (12220221000102), we get a palindrome (213220343022312).

The spelling of 201000122022210 in words is "two hundred one trillion, one hundred twenty-two million, twenty-two thousand, two hundred ten".