111022002202221 has 12 divisors (see below), whose sum is σ = 174943761046080. Its totient is φ = 67286061940680.

The previous prime is 111022002202183. The next prime is 111022002202339. The reversal of 111022002202221 is 122202200220111.

It is a happy number.

111022002202221 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 220 + 0 + 220 + 2 + 221 = 666.

It is not a de Polignac number, because 111022002202221 - 2²³ = 111021993813613 is a prime.

It is a super-3 number, since 3×111022002202221³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111022002202194 and 111022002202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022002202721) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 560717182741 + ... + 560717182938.

It is an arithmetic number, because the mean of its divisors is an integer number (14578646753840).

Almost surely, 2^{111022002202221} is an apocalyptic number.

111022002202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111022002202221 is a deficient number, since it is larger than the sum of its proper divisors (63921758843859).

111022002202221 is a wasteful number, since it uses less digits than its factorization.

111022002202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121434365696 (or 1121434365693 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111022002202221 its reverse (122202200220111), we get a palindrome (233224202422332).

The spelling of 111022002202221 in words is "one hundred eleven trillion, twenty-two billion, two million, two hundred two thousand, two hundred twenty-one".