111110100121202 has 48 divisors (see below), whose sum is σ = 208834502795352. Its totient is φ = 43946129525760.

The previous prime is 111110100121121. The next prime is 111110100121211. The reversal of 111110100121202 is 202121001011111.

It can be written as a sum of positive squares in 4 ways, for example, as 102354720936601 + 8755379184601 = 10117051^2 + 2958949^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3549503 + ... + 15323810.

Almost surely, 2^{111110100121202} is an apocalyptic number.

111110100121202 is a deficient number, since it is larger than the sum of its proper divisors (97724402674150).

111110100121202 is a wasteful number, since it uses less digits than its factorization.

111110100121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18877963 (or 18877956 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111110100121202 its reverse (202121001011111), we get a palindrome (313231101132313).

The spelling of 111110100121202 in words is "one hundred eleven trillion, one hundred ten billion, one hundred million, one hundred twenty-one thousand, two hundred two".