111100221101002 has 32 divisors (see below), whose sum is σ = 192148049106432. Its totient is φ = 47191770872064.

The previous prime is 111100221100987. The next prime is 111100221101011. The reversal of 111100221101002 is 200101122001111.

It is a happy 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, 60423628 + ... + 62235160.

It is an arithmetic number, because the mean of its divisors is an integer number (6004626534576).

Almost surely, 2^{111100221101002} is an apocalyptic number.

111100221101002 is a deficient number, since it is larger than the sum of its proper divisors (81047828005430).

111100221101002 is a wasteful number, since it uses less digits than its factorization.

111100221101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850422.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111100221101002 its reverse (200101122001111), we get a palindrome (311201343102113).

The spelling of 111100221101002 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty-one million, one hundred one thousand, two".