2120914151 has 4 divisors (see below), whose sum is σ = 2166040032. Its totient is φ = 2075788272.

The previous prime is 2120914093. The next prime is 2120914163. The reversal of 2120914151 is 1514190212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120914151 - 2¹⁰ = 2120913127 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 2120914151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120914651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22562870 + ... + 22562963.

It is an arithmetic number, because the mean of its divisors is an integer number (541510008).

Almost surely, 2^2120914151 is an apocalyptic number.

2120914151 is a deficient number, since it is larger than the sum of its proper divisors (45125881).

2120914151 is an equidigital number, since it uses as much as digits as its factorization.

2120914151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45125880.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 2120914151 is about 46053.3837084747. The cubic root of 2120914151 is about 1284.8162769830.

The spelling of 2120914151 in words is "two billion, one hundred twenty million, nine hundred fourteen thousand, one hundred fifty-one".