2086122261 has 8 divisors (see below), whose sum is σ = 2782341760. Its totient is φ = 1390325472.

The previous prime is 2086122239. The next prime is 2086122263. The reversal of 2086122261 is 1622216802.

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

It is not a de Polignac number, because 2086122261 - 2¹⁰ = 2086121237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086122263) 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, 93976 + ... + 114033.

It is an arithmetic number, because the mean of its divisors is an integer number (347792720).

Almost surely, 2^2086122261 is an apocalyptic number.

It is an amenable number.

2086122261 is a deficient number, since it is larger than the sum of its proper divisors (696219499).

2086122261 is a wasteful number, since it uses less digits than its factorization.

2086122261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211355.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2086122261 is about 45674.0874128865. The cubic root of 2086122261 is about 1277.7520482865.

The spelling of 2086122261 in words is "two billion, eighty-six million, one hundred twenty-two thousand, two hundred sixty-one".