101221111199 has 8 divisors (see below), whose sum is σ = 109253422992. Its totient is φ = 93223952640.

The previous prime is 101221111181. The next prime is 101221111213. The reversal of 101221111199 is 991111122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101221111199 - 2¹⁶ = 101221045663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221111699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8782322 + ... + 8793839.

It is an arithmetic number, because the mean of its divisors is an integer number (13656677874).

Almost surely, 2^101221111199 is an apocalyptic number.

101221111199 is a deficient number, since it is larger than the sum of its proper divisors (8032311793).

101221111199 is a wasteful number, since it uses less digits than its factorization.

101221111199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17576617.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 101221111199 in words is "one hundred one billion, two hundred twenty-one million, one hundred eleven thousand, one hundred ninety-nine".