101221507199 has 2 divisors, whose sum is σ = 101221507200. Its totient is φ = 101221507198.

The previous prime is 101221507099. The next prime is 101221507217. The reversal of 101221507199 is 991705122101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101221507199 - 2¹⁶ = 101221441663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221507099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610753599 + 50610753600.

It is an arithmetic number, because the mean of its divisors is an integer number (50610753600).

Almost surely, 2^101221507199 is an apocalyptic number.

101221507199 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221507199 is an equidigital number, since it uses as much as digits as its factorization.

101221507199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 38.

The spelling of 101221507199 in words is "one hundred one billion, two hundred twenty-one million, five hundred seven thousand, one hundred ninety-nine".