122100000100321 has 2 divisors, whose sum is σ = 122100000100322. Its totient is φ = 122100000100320.

The previous prime is 122100000100313. The next prime is 122100000100349. The reversal of 122100000100321 is 123001000001221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65337879744225 + 56762120356096 = 8083185^2 + 7534064^2 .

It is a cyclic number.

It is not a de Polignac number, because 122100000100321 - 2³ = 122100000100313 is a prime.

It is not a weakly prime, because it can be changed into another prime (122100000100301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050000050160 + 61050000050161.

It is an arithmetic number, because the mean of its divisors is an integer number (61050000050161).

Almost surely, 2^{122100000100321} is an apocalyptic number.

It is an amenable number.

122100000100321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100000100321 is an equidigital number, since it uses as much as digits as its factorization.

122100000100321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 122100000100321 its reverse (123001000001221), we get a palindrome (245101000101542).

The spelling of 122100000100321 in words is "one hundred twenty-two trillion, one hundred billion, one hundred thousand, three hundred twenty-one".