111121112100202 has 8 divisors (see below), whose sum is σ = 167545303737156. Its totient is φ = 55272677521152.

The previous prime is 111121112100197. The next prime is 111121112100211. The reversal of 111121112100202 is 202001211121111.

It can be written as a sum of positive squares in 2 ways, for example, as 110882605866561 + 238506233641 = 10530081^2 + 488371^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 143939263993 + ... + 143939264764.

Almost surely, 2^{111121112100202} is an apocalyptic number.

111121112100202 is a deficient number, since it is larger than the sum of its proper divisors (56424191636954).

111121112100202 is a wasteful number, since it uses less digits than its factorization.

111121112100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287878528952.

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

Adding to 111121112100202 its reverse (202001211121111), we get a palindrome (313122323221313).

The spelling of 111121112100202 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thousand, two hundred two".