122121101023 has 2 divisors, whose sum is σ = 122121101024. Its totient is φ = 122121101022.

The previous prime is 122121100987. The next prime is 122121101027. The reversal of 122121101023 is 320101121221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122121101023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122121100988 and 122121101006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122121101027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060550511 + 61060550512.

It is an arithmetic number, because the mean of its divisors is an integer number (61060550512).

Almost surely, 2^122121101023 is an apocalyptic number.

122121101023 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121101023 is an equidigital number, since it uses as much as digits as its factorization.

122121101023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122121101023 its reverse (320101121221), we get a palindrome (442222222244).

The spelling of 122121101023 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, twenty-three".