3123320221011 has 32 divisors (see below), whose sum is σ = 4573744876800. Its totient is φ = 1887933809664.

The previous prime is 3123320221009. The next prime is 3123320221051. The reversal of 3123320221011 is 1101220233213.

It is not a de Polignac number, because 3123320221011 - 2¹ = 3123320221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3123320221051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9594861 + ... + 9915038.

It is an arithmetic number, because the mean of its divisors is an integer number (142929527400).

Almost surely, 2^{3123320221011} is an apocalyptic number.

3123320221011 is a deficient number, since it is larger than the sum of its proper divisors (1450424655789).

3123320221011 is a wasteful number, since it uses less digits than its factorization.

3123320221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19510035.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3123320221011 its reverse (1101220233213), we get a palindrome (4224540454224).

The spelling of 3123320221011 in words is "three trillion, one hundred twenty-three billion, three hundred twenty million, two hundred twenty-one thousand, eleven".