212021113195 has 8 divisors (see below), whose sum is σ = 255107443536. Its totient is φ = 169162152096.

The previous prime is 212021113193. The next prime is 212021113223. The reversal of 212021113195 is 591311120212.

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 212021113195 - 2¹ = 212021113193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021113193) 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, 56840257 + ... + 56843986.

It is an arithmetic number, because the mean of its divisors is an integer number (31888430442).

Almost surely, 2^212021113195 is an apocalyptic number.

212021113195 is a deficient number, since it is larger than the sum of its proper divisors (43086330341).

212021113195 is a wasteful number, since it uses less digits than its factorization.

212021113195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113684621.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 212021113195 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, one hundred ninety-five".