21222002220199 has 8 divisors (see below), whose sum is σ = 23161039528320. Its totient is φ = 19284592308600.

The previous prime is 21222002220193. The next prime is 21222002220233. The reversal of 21222002220199 is 99102220022212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21222002220199 - 2⁷ = 21222002220071 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 (21222002220193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406821859 + ... + 406874020.

It is an arithmetic number, because the mean of its divisors is an integer number (2895129941040).

Almost surely, 2^{21222002220199} is an apocalyptic number.

21222002220199 is a deficient number, since it is larger than the sum of its proper divisors (1939037308121).

21222002220199 is a wasteful number, since it uses less digits than its factorization.

21222002220199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813698261.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 21222002220199 in words is "twenty-one trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, one hundred ninety-nine".