111121120221022 has 32 divisors (see below), whose sum is σ = 167102806590720. Its totient is φ = 55420419075840.

The previous prime is 111121120221011. The next prime is 111121120221031. The reversal of 111121120221022 is 220122021121111.

It is a happy number.

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, 3698228403 + ... + 3698258449.

It is an arithmetic number, because the mean of its divisors is an integer number (5221962705960).

Almost surely, 2^{111121120221022} is an apocalyptic number.

111121120221022 is a deficient number, since it is larger than the sum of its proper divisors (55981686369698).

111121120221022 is a wasteful number, since it uses less digits than its factorization.

111121120221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33796.

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

Adding to 111121120221022 its reverse (220122021121111), we get a palindrome (331243141342133).

The spelling of 111121120221022 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, twenty-two".