111222020122 has 4 divisors (see below), whose sum is σ = 166833030186. Its totient is φ = 55611010060.

The previous prime is 111222020111. The next prime is 111222020183. The reversal of 111222020122 is 221020222111.

It is a happy number.

111222020122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105378793641 + 5843226481 = 324621^2 + 76441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111222020096 and 111222020105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805505029 + ... + 27805505032.

Almost surely, 2^111222020122 is an apocalyptic number.

111222020122 is a deficient number, since it is larger than the sum of its proper divisors (55611010064).

111222020122 is an equidigital number, since it uses as much as digits as its factorization.

111222020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611010063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111222020122 its reverse (221020222111), we get a palindrome (332242242233).

The spelling of 111222020122 in words is "one hundred eleven billion, two hundred twenty-two million, twenty thousand, one hundred twenty-two".