212220100199 has 2 divisors, whose sum is σ = 212220100200. Its totient is φ = 212220100198.

The previous prime is 212220100187. The next prime is 212220100223. The reversal of 212220100199 is 991001022212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212220100199 - 2²⁴ = 212203322983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212220100109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110050099 + 106110050100.

It is an arithmetic number, because the mean of its divisors is an integer number (106110050100).

Almost surely, 2^212220100199 is an apocalyptic number.

212220100199 is a deficient number, since it is larger than the sum of its proper divisors (1).

212220100199 is an equidigital number, since it uses as much as digits as its factorization.

212220100199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 212220100199 in words is "two hundred twelve billion, two hundred twenty million, one hundred thousand, one hundred ninety-nine".