2212211200122 has 48 divisors (see below), whose sum is σ = 5975843245632. Its totient is φ = 574600311360.

The previous prime is 2212211200093. The next prime is 2212211200141. The reversal of 2212211200122 is 2210021122122.

It is a happy number.

2212211200122 is a `hidden beast` number, since 221 + 221 + 1 + 200 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2212211200095 and 2212211200104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 798054603 + ... + 798057374.

It is an arithmetic number, because the mean of its divisors is an integer number (124496734284).

Almost surely, 2^{2212211200122} is an apocalyptic number.

2212211200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212211200122 is an abundant number, since it is smaller than the sum of its proper divisors (3763632045510).

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

2212211200122 is a wasteful number, since it uses less digits than its factorization.

2212211200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596112003 (or 1596112000 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212211200122 its reverse (2210021122122), we get a palindrome (4422232322244).

The spelling of 2212211200122 in words is "two trillion, two hundred twelve billion, two hundred eleven million, two hundred thousand, one hundred twenty-two".