111121202212122 has 16 divisors (see below), whose sum is σ = 222242507717760. Its totient is φ = 37040383521792.

The previous prime is 111121202212099. The next prime is 111121202212129. The reversal of 111121202212122 is 221212202121111.

111121202212122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111121202212129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23296879 + ... + 27658397.

It is an arithmetic number, because the mean of its divisors is an integer number (13890156732360).

Almost surely, 2^{111121202212122} is an apocalyptic number.

111121202212122 is an abundant number, since it is smaller than the sum of its proper divisors (111121305505638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111121202212122 is a wasteful number, since it uses less digits than its factorization.

111121202212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8607797.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111121202212122 its reverse (221212202121111), we get a palindrome (332333404333233).

The spelling of 111121202212122 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, one hundred twenty-two".