220222100021122 has 8 divisors (see below), whose sum is σ = 335748447573372. Its totient is φ = 108305950830000.

The previous prime is 220222100021107. The next prime is 220222100021201. The reversal of 220222100021122 is 221120001222022.

It can be written as a sum of positive squares in 2 ways, for example, as 192433798946601 + 27788301074521 = 13872051^2 + 5271461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220222100021122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220222100021122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902549590129 + ... + 902549590372.

Almost surely, 2^{220222100021122} is an apocalyptic number.

220222100021122 is a deficient number, since it is larger than the sum of its proper divisors (115526347552250).

220222100021122 is a wasteful number, since it uses less digits than its factorization.

220222100021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805099180564.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220222100021122 its reverse (221120001222022), we get a palindrome (441342101243144).

The spelling of 220222100021122 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred million, twenty-one thousand, one hundred twenty-two".