2222211122220 has 96 divisors (see below), whose sum is σ = 6510931616448. Its totient is φ = 565694917632.

The previous prime is 2222211122207. The next prime is 2222211122239. The reversal of 2222211122220 is 222211122222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9325699 + ... + 9561018.

It is an arithmetic number, because the mean of its divisors is an integer number (67822204338).

Almost surely, 2^{2222211122220} is an apocalyptic number.

2222211122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222211122220 is an abundant number, since it is smaller than the sum of its proper divisors (4288720494228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222211122220 is a wasteful number, since it uses less digits than its factorization.

2222211122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18886819 (or 18886817 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2222211122220 its reverse (222211122222), we get a palindrome (2444422244442).

The spelling of 2222211122220 in words is "two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty".