222102101999 has 4 divisors (see below), whose sum is σ = 227519226480. Its totient is φ = 216684977520.

The previous prime is 222102101987. The next prime is 222102102083. The reversal of 222102101999 is 999101201222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999101201222 = 2 ⋅499550600611.

It is a cyclic number.

It is not a de Polignac number, because 222102101999 - 2³² = 217807134703 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 (222102101929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708562179 + ... + 2708562260.

It is an arithmetic number, because the mean of its divisors is an integer number (56879806620).

Almost surely, 2^222102101999 is an apocalyptic number.

222102101999 is a deficient number, since it is larger than the sum of its proper divisors (5417124481).

222102101999 is an equidigital number, since it uses as much as digits as its factorization.

222102101999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417124480.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 222102101999 in words is "two hundred twenty-two billion, one hundred two million, one hundred one thousand, nine hundred ninety-nine".