122300300021 has 4 divisors (see below), whose sum is σ = 124902434112. Its totient is φ = 119698165932.

The previous prime is 122300299997. The next prime is 122300300029. The reversal of 122300300021 is 120003003221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120003003221 = 4513 ⋅26590517.

It is a cyclic number.

It is not a de Polignac number, because 122300300021 - 2¹⁰ = 122300298997 is a prime.

It is a super-2 number, since 2×122300300021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122300299969 and 122300300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122300300029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301066975 + ... + 1301067068.

It is an arithmetic number, because the mean of its divisors is an integer number (31225608528).

Almost surely, 2^122300300021 is an apocalyptic number.

It is an amenable number.

122300300021 is a deficient number, since it is larger than the sum of its proper divisors (2602134091).

122300300021 is an equidigital number, since it uses as much as digits as its factorization.

122300300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602134090.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 122300300021 its reverse (120003003221), we get a palindrome (242303303242).

The spelling of 122300300021 in words is "one hundred twenty-two billion, three hundred million, three hundred thousand, twenty-one".