122300203231021 has 2 divisors, whose sum is σ = 122300203231022. Its totient is φ = 122300203231020.

The previous prime is 122300203230967. The next prime is 122300203231039. The reversal of 122300203231021 is 120132302003221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114092006880996 + 8208196350025 = 10681386^2 + 2864995^2 .

It is a cyclic number.

It is not a de Polignac number, because 122300203231021 - 2¹⁵ = 122300203198253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122300203230983 and 122300203231001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122300203231051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61150101615510 + 61150101615511.

It is an arithmetic number, because the mean of its divisors is an integer number (61150101615511).

Almost surely, 2^{122300203231021} is an apocalyptic number.

It is an amenable number.

122300203231021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122300203231021 is an equidigital number, since it uses as much as digits as its factorization.

122300203231021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122300203231021 its reverse (120132302003221), we get a palindrome (242432505234242).

The spelling of 122300203231021 in words is "one hundred twenty-two trillion, three hundred billion, two hundred three million, two hundred thirty-one thousand, twenty-one".