111222022002 has 64 divisors (see below), whose sum is σ = 283217921280. Its totient is φ = 28321784064.

The previous prime is 111222021997. The next prime is 111222022013. The reversal of 111222022002 is 200220222111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3496293 + ... + 3527960.

It is an arithmetic number, because the mean of its divisors is an integer number (4425280020).

Almost surely, 2^111222022002 is an apocalyptic number.

111222022002 is an abundant number, since it is smaller than the sum of its proper divisors (171995899278).

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

111222022002 is a wasteful number, since it uses less digits than its factorization.

111222022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024307.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 111222022002 its reverse (200220222111), we get a palindrome (311442244113).

The spelling of 111222022002 in words is "one hundred eleven billion, two hundred twenty-two million, twenty-two thousand, two".