2120397242291 has 8 divisors (see below), whose sum is σ = 2124194034000. Its totient is φ = 2116600698240.

The previous prime is 2120397242267. The next prime is 2120397242297. The reversal of 2120397242291 is 1922427930212.

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 2120397242291 - 2³⁸ = 1845519335347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120397242297) 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, 30213560 + ... + 30283658.

It is an arithmetic number, because the mean of its divisors is an integer number (265524254250).

Almost surely, 2^{2120397242291} is an apocalyptic number.

2120397242291 is a deficient number, since it is larger than the sum of its proper divisors (3796791709).

2120397242291 is an equidigital number, since it uses as much as digits as its factorization.

2120397242291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123829.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 2120397242291 in words is "two trillion, one hundred twenty billion, three hundred ninety-seven million, two hundred forty-two thousand, two hundred ninety-one".