123221021411 has 2 divisors, whose sum is σ = 123221021412. Its totient is φ = 123221021410.

The previous prime is 123221021387. The next prime is 123221021453. The reversal of 123221021411 is 114120122321.

It is a weak prime.

It is an emirp because it is prime and its reverse (114120122321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123221021411 - 2¹⁴ = 123221005027 is a prime.

It is not a weakly prime, because it can be changed into another prime (123221021311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61610510705 + 61610510706.

It is an arithmetic number, because the mean of its divisors is an integer number (61610510706).

Almost surely, 2^123221021411 is an apocalyptic number.

123221021411 is a deficient number, since it is larger than the sum of its proper divisors (1).

123221021411 is an equidigital number, since it uses as much as digits as its factorization.

123221021411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 123221021411 its reverse (114120122321), we get a palindrome (237341143732).

The spelling of 123221021411 in words is "one hundred twenty-three billion, two hundred twenty-one million, twenty-one thousand, four hundred eleven".