2112211112122 has 32 divisors (see below), whose sum is σ = 3256341580800. Its totient is φ = 1026983322288.

The previous prime is 2112211112117. The next prime is 2112211112131. The reversal of 2112211112122 is 2212111122112.

It is a happy number.

It is a super-2 number, since 2×2112211112122² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2112211112122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109892629 + ... + 109911847.

It is an arithmetic number, because the mean of its divisors is an integer number (101760674400).

Almost surely, 2^{2112211112122} is an apocalyptic number.

2112211112122 is a deficient number, since it is larger than the sum of its proper divisors (1144130468678).

2112211112122 is a wasteful number, since it uses less digits than its factorization.

2112211112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850.

The product of its digits is 64, while the sum is 19.

Adding to 2112211112122 its reverse (2212111122112), we get a palindrome (4324322234234).

The spelling of 2112211112122 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-two".