212021012221099 has 8 divisors (see below), whose sum is σ = 213967792544000. Its totient is φ = 210074261596992.

The previous prime is 212021012221063. The next prime is 212021012221141. The reversal of 212021012221099 is 990122210120212.

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 212021012221099 - 2³⁹ = 211471256407211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021012221699) 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, 7047862 + ... + 21764980.

It is an arithmetic number, because the mean of its divisors is an integer number (26745974068000).

Almost surely, 2^{212021012221099} is an apocalyptic number.

212021012221099 is a deficient number, since it is larger than the sum of its proper divisors (1946780322901).

212021012221099 is a wasteful number, since it uses less digits than its factorization.

212021012221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14849397.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 212021012221099 in words is "two hundred twelve trillion, twenty-one billion, twelve million, two hundred twenty-one thousand, ninety-nine".