2201210121191 has 2 divisors, whose sum is σ = 2201210121192. Its totient is φ = 2201210121190.

The previous prime is 2201210121013. The next prime is 2201210121197. The reversal of 2201210121191 is 1911210121022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201210121191 - 2³⁴ = 2184030252007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201210121197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100605060595 + 1100605060596.

It is an arithmetic number, because the mean of its divisors is an integer number (1100605060596).

Almost surely, 2^{2201210121191} is an apocalyptic number.

2201210121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201210121191 is an equidigital number, since it uses as much as digits as its factorization.

2201210121191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 2201210121191 in words is "two trillion, two hundred one billion, two hundred ten million, one hundred twenty-one thousand, one hundred ninety-one".