211222221220199 has 32 divisors (see below), whose sum is σ = 252870737915520. Its totient is φ = 172644720648192.

The previous prime is 211222221220193. The next prime is 211222221220201. The reversal of 211222221220199 is 991022122222112.

It is a cyclic number.

It is not a de Polignac number, because 211222221220199 - 2²⁴ = 211222204442983 is a prime.

It is a super-2 number, since 2×211222221220199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222221220193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4470707 + ... + 21034059.

It is an arithmetic number, because the mean of its divisors is an integer number (7902210559860).

Almost surely, 2^{211222221220199} is an apocalyptic number.

211222221220199 is a deficient number, since it is larger than the sum of its proper divisors (41648516695321).

211222221220199 is a wasteful number, since it uses less digits than its factorization.

211222221220199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564379.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 211222221220199 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, one hundred ninety-nine".