2221202212193 has 8 divisors (see below), whose sum is σ = 2224101510312. Its totient is φ = 2218304745216.

The previous prime is 2221202212189. The next prime is 2221202212247. The reversal of 2221202212193 is 3912122021222.

It can be written as a sum of positive squares in 4 ways, for example, as 759395473489 + 1461806738704 = 871433^2 + 1209052^2 .

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 2221202212193 - 2² = 2221202212189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2221202212123) 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, 1978271 + ... + 2890667.

It is an arithmetic number, because the mean of its divisors is an integer number (278012688789).

Almost surely, 2^{2221202212193} is an apocalyptic number.

It is an amenable number.

2221202212193 is a deficient number, since it is larger than the sum of its proper divisors (2899298119).

2221202212193 is a wasteful number, since it uses less digits than its factorization.

2221202212193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915571.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 2221202212193 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve thousand, one hundred ninety-three".