2122212021191 has 8 divisors (see below), whose sum is σ = 2122831371024. Its totient is φ = 2121592767040.

The previous prime is 2122212021103. The next prime is 2122212021221. The reversal of 2122212021191 is 1911202122212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122212021191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122212021191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122212021101) 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, 73112261 + ... + 73141281.

It is an arithmetic number, because the mean of its divisors is an integer number (265353921378).

Almost surely, 2^{2122212021191} is an apocalyptic number.

2122212021191 is a deficient number, since it is larger than the sum of its proper divisors (619349833).

2122212021191 is a wasteful number, since it uses less digits than its factorization.

2122212021191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47841.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 2122212021191 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred ninety-one".