111222202000001 has 4 divisors (see below), whose sum is σ = 111222615131652. Its totient is φ = 111221788868352.

The previous prime is 111222201999973. The next prime is 111222202000003. The reversal of 111222202000001 is 100000202222111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100352810640625 + 10869391359376 = 10017625^2 + 3296876^2 .

It is a cyclic number.

It is not a de Polignac number, because 111222202000001 - 2¹⁴ = 111222201983617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111222202000001.

It is not an unprimeable number, because it can be changed into a prime (111222202000003) 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, 206161736 + ... + 206700521.

It is an arithmetic number, because the mean of its divisors is an integer number (27805653782913).

Almost surely, 2^{111222202000001} is an apocalyptic number.

It is an amenable number.

111222202000001 is a deficient number, since it is larger than the sum of its proper divisors (413131651).

111222202000001 is an equidigital number, since it uses as much as digits as its factorization.

111222202000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413131650.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111222202000001 its reverse (100000202222111), we get a palindrome (211222404222112).

The spelling of 111222202000001 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred two million, one", and thus it is an aban number.