220101222210 has 64 divisors (see below), whose sum is σ = 542412149760. Its totient is φ = 57138621120.

The previous prime is 220101222199. The next prime is 220101222217. The reversal of 220101222210 is 12222101022.

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 220101222210.

It is not an unprimeable number, because it can be changed into a prime (220101222217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421336 + ... + 785955.

It is an arithmetic number, because the mean of its divisors is an integer number (8475189840).

Almost surely, 2^220101222210 is an apocalyptic number.

220101222210 is an abundant number, since it is smaller than the sum of its proper divisors (322310927550).

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

220101222210 is a wasteful number, since it uses less digits than its factorization.

220101222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207463.

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

Adding to 220101222210 its reverse (12222101022), we get a palindrome (232323323232).

It can be divided in two parts, 2201012 and 22210, that added together give a palindrome (2223222).

The spelling of 220101222210 in words is "two hundred twenty billion, one hundred one million, two hundred twenty-two thousand, two hundred ten".