2112062261 has 4 divisors (see below), whose sum is σ = 2161180032. Its totient is φ = 2062944492.

The previous prime is 2112062221. The next prime is 2112062263. The reversal of 2112062261 is 1622602112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112062261 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 (2112062263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24558821 + ... + 24558906.

It is an arithmetic number, because the mean of its divisors is an integer number (540295008).

Almost surely, 2^2112062261 is an apocalyptic number.

It is an amenable number.

2112062261 is a deficient number, since it is larger than the sum of its proper divisors (49117771).

2112062261 is an equidigital number, since it uses as much as digits as its factorization.

2112062261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49117770.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2112062261 is about 45957.1785578706. The cubic root of 2112062261 is about 1283.0263394688.

Adding to 2112062261 its reverse (1622602112), we get a palindrome (3734664373).

The spelling of 2112062261 in words is "two billion, one hundred twelve million, sixty-two thousand, two hundred sixty-one".