111210002022221 has 8 divisors (see below), whose sum is σ = 117679659214464. Its totient is φ = 104876548139440.

The previous prime is 111210002022199. The next prime is 111210002022239. The reversal of 111210002022221 is 122220200012111.

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

It is a cyclic number.

It is not a de Polignac number, because 111210002022221 - 2⁶ = 111210002022157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111210002022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210002021221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34050825686 + ... + 34050828951.

It is an arithmetic number, because the mean of its divisors is an integer number (14709957401808).

Almost surely, 2^{111210002022221} is an apocalyptic number.

It is an amenable number.

111210002022221 is a deficient number, since it is larger than the sum of its proper divisors (6469657192243).

111210002022221 is an equidigital number, since it uses as much as digits as its factorization.

111210002022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68101654731.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111210002022221 its reverse (122220200012111), we get a palindrome (233430202034332).

The spelling of 111210002022221 in words is "one hundred eleven trillion, two hundred ten billion, two million, twenty-two thousand, two hundred twenty-one".