111221101121002 has 8 divisors (see below), whose sum is σ = 166887842883300. Its totient is φ = 55591820159904.

The previous prime is 111221101120993. The next prime is 111221101121063. The reversal of 111221101121002 is 200121101122111.

It can be written as a sum of positive squares in 2 ways, for example, as 107828722851721 + 3392378269281 = 10384061^2 + 1841841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9365192877 + ... + 9365204752.

Almost surely, 2^{111221101121002} is an apocalyptic number.

111221101121002 is a deficient number, since it is larger than the sum of its proper divisors (55666741762298).

111221101121002 is a wasteful number, since it uses less digits than its factorization.

111221101121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18730400600.

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

Adding to 111221101121002 its reverse (200121101122111), we get a palindrome (311342202243113).

The spelling of 111221101121002 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, two".