121002210023 has 2 divisors, whose sum is σ = 121002210024. Its totient is φ = 121002210022.

The previous prime is 121002210013. The next prime is 121002210041. The reversal of 121002210023 is 320012200121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121002210023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121002210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501105011 + 60501105012.

It is an arithmetic number, because the mean of its divisors is an integer number (60501105012).

Almost surely, 2^121002210023 is an apocalyptic number.

121002210023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002210023 is an equidigital number, since it uses as much as digits as its factorization.

121002210023 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 14.

Adding to 121002210023 its reverse (320012200121), we get a palindrome (441014410144).

The spelling of 121002210023 in words is "one hundred twenty-one billion, two million, two hundred ten thousand, twenty-three".