201101322210 has 32 divisors (see below), whose sum is σ = 491749652160. Its totient is φ = 52615188288.

The previous prime is 201101322199. The next prime is 201101322211. The reversal of 201101322210 is 12223101102.

It is a super-2 number, since 2×201101322210² (a number of 23 digits) contains 22 as substring.

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 201101322210.

It is not an unprimeable number, because it can be changed into a prime (201101322211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63237820 + ... + 63240999.

It is an arithmetic number, because the mean of its divisors is an integer number (15367176630).

Almost surely, 2^201101322210 is an apocalyptic number.

201101322210 is an abundant number, since it is smaller than the sum of its proper divisors (290648329950).

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

201101322210 is a wasteful number, since it uses less digits than its factorization.

201101322210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126478882.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201101322210 its reverse (12223101102), we get a palindrome (213324423312).

The spelling of 201101322210 in words is "two hundred one billion, one hundred one million, three hundred twenty-two thousand, two hundred ten".