122021002121243 has 2 divisors, whose sum is σ = 122021002121244. Its totient is φ = 122021002121242.

The previous prime is 122021002121153. The next prime is 122021002121321. The reversal of 122021002121243 is 342121200120221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122021002121243 - 2²² = 122020997926939 is a prime.

It is not a weakly prime, because it can be changed into another prime (122021002921243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010501060621 + 61010501060622.

It is an arithmetic number, because the mean of its divisors is an integer number (61010501060622).

Almost surely, 2^{122021002121243} is an apocalyptic number.

122021002121243 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021002121243 is an equidigital number, since it uses as much as digits as its factorization.

122021002121243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 122021002121243 its reverse (342121200120221), we get a palindrome (464142202241464).

The spelling of 122021002121243 in words is "one hundred twenty-two trillion, twenty-one billion, two million, one hundred twenty-one thousand, two hundred forty-three".