220122222101 has 4 divisors (see below), whose sum is σ = 220124983104. Its totient is φ = 220119461100.

The previous prime is 220122222031. The next prime is 220122222107. The reversal of 220122222101 is 101222221022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220122222101 - 2²² = 220118027797 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 220122222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122222107) 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, 1257245 + ... + 1421586.

It is an arithmetic number, because the mean of its divisors is an integer number (55031245776).

Almost surely, 2^220122222101 is an apocalyptic number.

It is an amenable number.

220122222101 is a deficient number, since it is larger than the sum of its proper divisors (2761003).

220122222101 is an equidigital number, since it uses as much as digits as its factorization.

220122222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761002.

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

Adding to 220122222101 its reverse (101222221022), we get a palindrome (321344443123).

The spelling of 220122222101 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".