220022121111 has 32 divisors (see below), whose sum is σ = 317520000000. Its totient is φ = 134717428608.

The previous prime is 220022121083. The next prime is 220022121127. The reversal of 220022121111 is 111121220022.

It is not a de Polignac number, because 220022121111 - 2¹⁵ = 220022088343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022121811) 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, 11725765 + ... + 11744513.

It is an arithmetic number, because the mean of its divisors is an integer number (9922500000).

Almost surely, 2^220022121111 is an apocalyptic number.

220022121111 is a deficient number, since it is larger than the sum of its proper divisors (97497878889).

220022121111 is a wasteful number, since it uses less digits than its factorization.

220022121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20263.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220022121111 its reverse (111121220022), we get a palindrome (331143341133).

The spelling of 220022121111 in words is "two hundred twenty billion, twenty-two million, one hundred twenty-one thousand, one hundred eleven".