111020111202 has 128 divisors (see below), whose sum is σ = 306181951488. Its totient is φ = 25898745600.

The previous prime is 111020111173. The next prime is 111020111219. The reversal of 111020111202 is 202111020111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27574 + ... + 472017.

It is an arithmetic number, because the mean of its divisors is an integer number (2392046496).

Almost surely, 2^111020111202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111020111202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153090975744).

111020111202 is an abundant number, since it is smaller than the sum of its proper divisors (195161840286).

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

111020111202 is a wasteful number, since it uses less digits than its factorization.

111020111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499664.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111020111202 its reverse (202111020111), we get a palindrome (313131131313).

It can be divided in two parts, 111020111 and 202, that multiplied together give a palindrome (22426062422).

The spelling of 111020111202 in words is "one hundred eleven billion, twenty million, one hundred eleven thousand, two hundred two".