212222212111291 has 8 divisors (see below), whose sum is σ = 212496055556400. Its totient is φ = 211948398627840.

The previous prime is 212222212111289. The next prime is 212222212111321. The reversal of 212222212111291 is 192111212222212.

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 212222212111291 - 2¹ = 212222212111289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212222212111211) 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, 6702315 + ... + 21664843.

It is an arithmetic number, because the mean of its divisors is an integer number (26562006944550).

Almost surely, 2^{212222212111291} is an apocalyptic number.

212222212111291 is a deficient number, since it is larger than the sum of its proper divisors (273843445109).

212222212111291 is a wasteful number, since it uses less digits than its factorization.

212222212111291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14980829.

The product of its digits is 2304, while the sum is 31.

The spelling of 212222212111291 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, two hundred ninety-one".