111221001021122 has 8 divisors (see below), whose sum is σ = 166834205499456. Its totient is φ = 55609599187972.

The previous prime is 111221001021121. The next prime is 111221001021161. The reversal of 111221001021122 is 221120100122111.

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

It is a super-2 number, since 2×111221001021122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111221001021122.

It is not an unprimeable number, because it can be changed into a prime (111221001021121) 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, 450507038 + ... + 450753849.

It is an arithmetic number, because the mean of its divisors is an integer number (20854275687432).

Almost surely, 2^{111221001021122} is an apocalyptic number.

111221001021122 is a deficient number, since it is larger than the sum of its proper divisors (55613204478334).

111221001021122 is an equidigital number, since it uses as much as digits as its factorization.

111221001021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901322592.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111221001021122 its reverse (221120100122111), we get a palindrome (332341101143233).

The spelling of 111221001021122 in words is "one hundred eleven trillion, two hundred twenty-one billion, one million, twenty-one thousand, one hundred twenty-two".