101221112201399 has 2 divisors, whose sum is σ = 101221112201400. Its totient is φ = 101221112201398.

The previous prime is 101221112201201. The next prime is 101221112201413. The reversal of 101221112201399 is 993102211122101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101221112201399 - 2⁴⁴ = 83628926156983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221112200399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610556100699 + 50610556100700.

It is an arithmetic number, because the mean of its divisors is an integer number (50610556100700).

Almost surely, 2^{101221112201399} is an apocalyptic number.

101221112201399 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221112201399 is an equidigital number, since it uses as much as digits as its factorization.

101221112201399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 101221112201399 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twelve million, two hundred one thousand, three hundred ninety-nine".