2222201211985 has 8 divisors (see below), whose sum is σ = 2666675235816. Its totient is φ = 1777738448640.

The previous prime is 2222201211943. The next prime is 2222201212031. The reversal of 2222201211985 is 5891121022222.

It can be written as a sum of positive squares in 4 ways, for example, as 11555605009 + 2210645606976 = 107497^2 + 1486824^2 .

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

It is not a de Polignac number, because 2222201211985 - 2²¹ = 2222199114833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374696 + ... + 3175465.

It is an arithmetic number, because the mean of its divisors is an integer number (333334404477).

Almost surely, 2^{2222201211985} is an apocalyptic number.

It is an amenable number.

2222201211985 is a deficient number, since it is larger than the sum of its proper divisors (444474023831).

2222201211985 is an equidigital number, since it uses as much as digits as its factorization.

2222201211985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630243.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 2222201211985 in words is "two trillion, two hundred twenty-two billion, two hundred one million, two hundred eleven thousand, nine hundred eighty-five".