122421133403 has 4 divisors (see below), whose sum is σ = 122463394200. Its totient is φ = 122378872608.

The previous prime is 122421133361. The next prime is 122421133409. The reversal of 122421133403 is 304331124221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304331124221 = 371561 ⋅819061.

It is a cyclic number.

It is not a de Polignac number, because 122421133403 - 2¹² = 122421129307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122421133409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21126053 + ... + 21131846.

It is an arithmetic number, because the mean of its divisors is an integer number (30615848550).

Almost surely, 2^122421133403 is an apocalyptic number.

122421133403 is a deficient number, since it is larger than the sum of its proper divisors (42260797).

122421133403 is an equidigital number, since it uses as much as digits as its factorization.

122421133403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42260796.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 122421133403 its reverse (304331124221), we get a palindrome (426752257624).

The spelling of 122421133403 in words is "one hundred twenty-two billion, four hundred twenty-one million, one hundred thirty-three thousand, four hundred three".