123221322411 has 16 divisors (see below), whose sum is σ = 189774016128. Its totient is φ = 70286672000.

The previous prime is 123221322347. The next prime is 123221322431. The reversal of 123221322411 is 114223122321.

It is a cyclic number.

It is not a de Polignac number, because 123221322411 - 2⁶ = 123221322347 is a prime.

It is a super-2 number, since 2×123221322411² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123221322431) 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, 109822365 + ... + 109823486.

It is an arithmetic number, because the mean of its divisors is an integer number (11860876008).

Almost surely, 2^123221322411 is an apocalyptic number.

123221322411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123221322411 is a deficient number, since it is larger than the sum of its proper divisors (66552693717).

123221322411 is a wasteful number, since it uses less digits than its factorization.

123221322411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219645882.

The product of its digits is 1152, while the sum is 24.

Adding to 123221322411 its reverse (114223122321), we get a palindrome (237444444732).

The spelling of 123221322411 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred twenty-two thousand, four hundred eleven".