111220101212102 has 32 divisors (see below), whose sum is σ = 169678656714240. Its totient is φ = 54665188320960.

The previous prime is 111220101212083. The next prime is 111220101212117. The reversal of 111220101212102 is 201212101022111.

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, 839907674 + ... + 840040082.

It is an arithmetic number, because the mean of its divisors is an integer number (5302458022320).

Almost surely, 2^{111220101212102} is an apocalyptic number.

111220101212102 is a deficient number, since it is larger than the sum of its proper divisors (58458555502138).

111220101212102 is a wasteful number, since it uses less digits than its factorization.

111220101212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149876.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111220101212102 its reverse (201212101022111), we get a palindrome (312432202234213).

The spelling of 111220101212102 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred one million, two hundred twelve thousand, one hundred two".