2221201213197 has 4 divisors (see below), whose sum is σ = 2961601617600. Its totient is φ = 1480800808796.

The previous prime is 2221201213169. The next prime is 2221201213199. The reversal of 2221201213197 is 7913121021222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221201213197 - 2¹⁴ = 2221201196813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221201213199) 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, 370200202197 + ... + 370200202202.

It is an arithmetic number, because the mean of its divisors is an integer number (740400404400).

Almost surely, 2^{2221201213197} is an apocalyptic number.

It is an amenable number.

2221201213197 is a deficient number, since it is larger than the sum of its proper divisors (740400404403).

2221201213197 is an equidigital number, since it uses as much as digits as its factorization.

2221201213197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740400404402.

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 2221201213197 in words is "two trillion, two hundred twenty-one billion, two hundred one million, two hundred thirteen thousand, one hundred ninety-seven".