220011110122 has 4 divisors (see below), whose sum is σ = 330016665186. Its totient is φ = 110005555060.

The previous prime is 220011110089. The next prime is 220011110131. The reversal of 220011110122 is 221011110022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221011110022 = 2 ⋅110505555011.

It can be written as a sum of positive squares in only one way, i.e., 196700233081 + 23310877041 = 443509^2 + 152679^2 .

It is a super-2 number, since 2×220011110122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55002777529 + ... + 55002777532.

Almost surely, 2^220011110122 is an apocalyptic number.

220011110122 is a deficient number, since it is larger than the sum of its proper divisors (110005555064).

220011110122 is a wasteful number, since it uses less digits than its factorization.

220011110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110005555063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220011110122 its reverse (221011110022), we get a palindrome (441022220144).

The spelling of 220011110122 in words is "two hundred twenty billion, eleven million, one hundred ten thousand, one hundred twenty-two".