111121101221202 has 32 divisors (see below), whose sum is σ = 247108826059200. Its totient is φ = 37014410238624.

The previous prime is 111121101221191. The next prime is 111121101221243. The reversal of 111121101221202 is 202122101121111.

It is a happy number.

111121101221202 is a `hidden beast` number, since 111 + 121 + 10 + 1 + 221 + 202 = 666.

It is a super-2 number, since 2×111121101221202² (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 720945427 + ... + 721099542.

It is an arithmetic number, because the mean of its divisors is an integer number (7722150814350).

Almost surely, 2^{111121101221202} is an apocalyptic number.

111121101221202 is an abundant number, since it is smaller than the sum of its proper divisors (135987724837998).

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

111121101221202 is a wasteful number, since it uses less digits than its factorization.

111121101221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442046407 (or 1442046401 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111121101221202 its reverse (202122101121111), we get a palindrome (313243202342313).

The spelling of 111121101221202 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-one thousand, two hundred two".