111122122022222 has 32 divisors (see below), whose sum is σ = 172363342694400. Its totient is φ = 53674009590240.

The previous prime is 111122122022099. The next prime is 111122122022231. The reversal of 111122122022222 is 222220221221111.

It is a congruent number.

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, 415700573 + ... + 415967799.

It is an arithmetic number, because the mean of its divisors is an integer number (5386354459200).

Almost surely, 2^{111122122022222} is an apocalyptic number.

111122122022222 is a deficient number, since it is larger than the sum of its proper divisors (61241220672178).

111122122022222 is a wasteful number, since it uses less digits than its factorization.

111122122022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279056.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111122122022222 its reverse (222220221221111), we get a palindrome (333342343243333).

The spelling of 111122122022222 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-two".