121111022220122 has 16 divisors (see below), whose sum is σ = 198285270112512. Its totient is φ = 55021687593120.

The previous prime is 121111022220091. The next prime is 121111022220157. The reversal of 121111022220122 is 221022220111121.

121111022220122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121111022220094 and 121111022220103.

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, 1438809578 + ... + 1438893749.

It is an arithmetic number, because the mean of its divisors is an integer number (12392829382032).

Almost surely, 2^{121111022220122} is an apocalyptic number.

121111022220122 is a deficient number, since it is larger than the sum of its proper divisors (77174247892390).

121111022220122 is a wasteful number, since it uses less digits than its factorization.

121111022220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877705253.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121111022220122 its reverse (221022220111121), we get a palindrome (342133242331243).

The spelling of 121111022220122 in words is "one hundred twenty-one trillion, one hundred eleven billion, twenty-two million, two hundred twenty thousand, one hundred twenty-two".