220222221101 has 4 divisors (see below), whose sum is σ = 220223510172. Its totient is φ = 220220932032.

The previous prime is 220222221053. The next prime is 220222221133. The reversal of 220222221101 is 101122222022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15964322500 + 204257898601 = 126350^2 + 451949^2 .

It is a cyclic number.

It is not a de Polignac number, because 220222221101 - 2¹⁰ = 220222220077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220222221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222223101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340460 + ... + 745893.

It is an arithmetic number, because the mean of its divisors is an integer number (55055877543).

Almost surely, 2^220222221101 is an apocalyptic number.

It is an amenable number.

220222221101 is a deficient number, since it is larger than the sum of its proper divisors (1289071).

220222221101 is a wasteful number, since it uses less digits than its factorization.

220222221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289070.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220222221101 its reverse (101122222022), we get a palindrome (321344443123).

The spelling of 220222221101 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".