3120220664211 has 24 divisors (see below), whose sum is σ = 4841054760960. Its totient is φ = 1782419982672.

The previous prime is 3120220664101. The next prime is 3120220664273. The reversal of 3120220664211 is 1124660220213.

It is not a de Polignac number, because 3120220664211 - 2²² = 3120216469907 is a prime.

It is a super-3 number, since 3×3120220664211³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3120220664411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2885571 + ... + 3816668.

It is an arithmetic number, because the mean of its divisors is an integer number (201710615040).

Almost surely, 2^{3120220664211} is an apocalyptic number.

3120220664211 is a deficient number, since it is larger than the sum of its proper divisors (1720834096749).

3120220664211 is a wasteful number, since it uses less digits than its factorization.

3120220664211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705423 (or 6705416 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 3120220664211 its reverse (1124660220213), we get a palindrome (4244880884424).

The spelling of 3120220664211 in words is "three trillion, one hundred twenty billion, two hundred twenty million, six hundred sixty-four thousand, two hundred eleven".