111212200211122 has 16 divisors (see below), whose sum is σ = 176944873587552. Its totient is φ = 52242195388480.

The previous prime is 111212200211089. The next prime is 111212200211131. The reversal of 111212200211122 is 221112002212111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111212200211122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904907204 + ... + 2904945487.

It is an arithmetic number, because the mean of its divisors is an integer number (11059054599222).

Almost surely, 2^{111212200211122} is an apocalyptic number.

111212200211122 is a deficient number, since it is larger than the sum of its proper divisors (65732673376430).

111212200211122 is a wasteful number, since it uses less digits than its factorization.

111212200211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809853273.

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

Adding to 111212200211122 its reverse (221112002212111), we get a palindrome (332324202423233).

The spelling of 111212200211122 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred million, two hundred eleven thousand, one hundred twenty-two".