111221100111202 has 32 divisors (see below), whose sum is σ = 175606927801344. Its totient is φ = 52766504136000.

The previous prime is 111221100111157. The next prime is 111221100111283. The reversal of 111221100111202 is 202111001122111.

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, 85574793 + ... + 86864764.

It is an arithmetic number, because the mean of its divisors is an integer number (5487716493792).

Almost surely, 2^{111221100111202} is an apocalyptic number.

111221100111202 is a deficient number, since it is larger than the sum of its proper divisors (64385827690142).

111221100111202 is a wasteful number, since it uses less digits than its factorization.

111221100111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172439794.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111221100111202 its reverse (202111001122111), we get a palindrome (313332101233313).

The spelling of 111221100111202 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred million, one hundred eleven thousand, two hundred two".