2061122217 has 16 divisors (see below), whose sum is σ = 3426281472. Its totient is φ = 1070712720.

The previous prime is 2061122213. The next prime is 2061122221. The reversal of 2061122217 is 7122211602.

It is an interprime number because it is at equal distance from previous prime (2061122213) and next prime (2061122221).

It is not a de Polignac number, because 2061122217 - 2² = 2061122213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2061122213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4461073 + ... + 4461534.

It is an arithmetic number, because the mean of its divisors is an integer number (214142592).

Almost surely, 2^2061122217 is an apocalyptic number.

It is an amenable number.

2061122217 is a deficient number, since it is larger than the sum of its proper divisors (1365159255).

2061122217 is a wasteful number, since it uses less digits than its factorization.

2061122217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8922628.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2061122217 is about 45399.5838857582. The cubic root of 2061122217 is about 1272.6273376738.

Adding to 2061122217 its reverse (7122211602), we get a palindrome (9183333819).

The spelling of 2061122217 in words is "two billion, sixty-one million, one hundred twenty-two thousand, two hundred seventeen".