10102201200991 has 2 divisors, whose sum is σ = 10102201200992. Its totient is φ = 10102201200990.

The previous prime is 10102201200989. The next prime is 10102201201003. The reversal of 10102201200991 is 19900210220101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10102201200991 - 2¹ = 10102201200989 is a prime.

Together with 10102201200989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102201200961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051100600495 + 5051100600496.

It is an arithmetic number, because the mean of its divisors is an integer number (5051100600496).

Almost surely, 2^{10102201200991} is an apocalyptic number.

10102201200991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102201200991 is an equidigital number, since it uses as much as digits as its factorization.

10102201200991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 10102201200991 in words is "ten trillion, one hundred two billion, two hundred one million, two hundred thousand, nine hundred ninety-one".