111222230202 has 24 divisors (see below), whose sum is σ = 246859097940. Its totient is φ = 36169830720.

The previous prime is 111222230183. The next prime is 111222230219. The reversal of 111222230202 is 202032222111.

111222230202 is a `hidden beast` number, since 1 + 11 + 222 + 230 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 76934671641 + 34287558561 = 277371^2 + 185169^2 .

It is a super-2 number, since 2×111222230202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75353077 + ... + 75354552.

Almost surely, 2^111222230202 is an apocalyptic number.

111222230202 is an abundant number, since it is smaller than the sum of its proper divisors (135636867738).

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

111222230202 is a wasteful number, since it uses less digits than its factorization.

111222230202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150707678 (or 150707675 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 111222230202 its reverse (202032222111), we get a palindrome (313254452313).

The spelling of 111222230202 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred thirty thousand, two hundred two".