212033221099 has 16 divisors (see below), whose sum is σ = 244244265408. Its totient is φ = 180307556352.

The previous prime is 212033221087. The next prime is 212033221109. The reversal of 212033221099 is 990122330212.

It is not a de Polignac number, because 212033221099 - 2⁹ = 212033220587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212033221019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268999 + ... + 704575.

It is an arithmetic number, because the mean of its divisors is an integer number (15265266588).

Almost surely, 2^212033221099 is an apocalyptic number.

212033221099 is a deficient number, since it is larger than the sum of its proper divisors (32211044309).

212033221099 is a wasteful number, since it uses less digits than its factorization.

212033221099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436134.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 212033221099 in words is "two hundred twelve billion, thirty-three million, two hundred twenty-one thousand, ninety-nine".