111221101211102 has 8 divisors (see below), whose sum is σ = 166853964484776. Its totient is φ = 55603113049512.

The previous prime is 111221101211053. The next prime is 111221101211107. The reversal of 111221101211102 is 201112101122111.

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

It is a super-2 number, since 2×111221101211102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221101211107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3718759328 + ... + 3718789235.

It is an arithmetic number, because the mean of its divisors is an integer number (20856745560597).

Almost surely, 2^{111221101211102} is an apocalyptic number.

111221101211102 is a deficient number, since it is larger than the sum of its proper divisors (55632863273674).

111221101211102 is an equidigital number, since it uses as much as digits as its factorization.

111221101211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437556042.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111221101211102 its reverse (201112101122111), we get a palindrome (312333202333213).

The spelling of 111221101211102 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred one million, two hundred eleven thousand, one hundred two".