2221022211122 has 128 divisors (see below), whose sum is σ = 4135384544256. Its totient is φ = 880992000000.

The previous prime is 2221022211053. The next prime is 2221022211179. The reversal of 2221022211122 is 2211122201222.

It is a junction number, because it is equal to n+sod(n) for n = 2221022211094 and 2221022211103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55643372 + ... + 55683272.

It is an arithmetic number, because the mean of its divisors is an integer number (32307691752).

Almost surely, 2^{2221022211122} is an apocalyptic number.

2221022211122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221022211122 is a deficient number, since it is larger than the sum of its proper divisors (1914362333134).

2221022211122 is a wasteful number, since it uses less digits than its factorization.

2221022211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40116.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2221022211122 its reverse (2211122201222), we get a palindrome (4432144412344).

The spelling of 2221022211122 in words is "two trillion, two hundred twenty-one billion, twenty-two million, two hundred eleven thousand, one hundred twenty-two".