220111221022 has 16 divisors (see below), whose sum is σ = 411636569472. Its totient is φ = 85757618520.

The previous prime is 220111221019. The next prime is 220111221037. The reversal of 220111221022 is 220122111022.

It is a happy number.

It is a super-3 number, since 3×220111221022³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220111220987 and 220111221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714646668 + ... + 714646975.

It is an arithmetic number, because the mean of its divisors is an integer number (25727285592).

Almost surely, 2^220111221022 is an apocalyptic number.

220111221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220111221022 is a deficient number, since it is larger than the sum of its proper divisors (191525348450).

220111221022 is a wasteful number, since it uses less digits than its factorization.

220111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429293663.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220111221022 its reverse (220122111022), we get a palindrome (440233332044).

Subtracting 220111221022 from its reverse (220122111022), we obtain a square (10890000 = 3300²).

The spelling of 220111221022 in words is "two hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".