122421000011403 has 4 divisors (see below), whose sum is σ = 163228000015208. Its totient is φ = 81614000007600.

The previous prime is 122421000011383. The next prime is 122421000011459. The reversal of 122421000011403 is 304110000124221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122421000011403 - 2¹⁸ = 122420999749259 is a prime.

It is a super-2 number, since 2×122421000011403² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122421000011403.

It is not an unprimeable number, because it can be changed into a prime (122421000011473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20403500001898 + ... + 20403500001903.

It is an arithmetic number, because the mean of its divisors is an integer number (40807000003802).

Almost surely, 2^{122421000011403} is an apocalyptic number.

122421000011403 is a deficient number, since it is larger than the sum of its proper divisors (40807000003805).

122421000011403 is an equidigital number, since it uses as much as digits as its factorization.

122421000011403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40807000003804.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122421000011403 its reverse (304110000124221), we get a palindrome (426531000135624).

The spelling of 122421000011403 in words is "one hundred twenty-two trillion, four hundred twenty-one billion, eleven thousand, four hundred three".