121023220312223 has 2 divisors, whose sum is σ = 121023220312224. Its totient is φ = 121023220312222.

The previous prime is 121023220312073. The next prime is 121023220312229. The reversal of 121023220312223 is 322213022320121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121023220312223 - 2¹⁰ = 121023220311199 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 121023220312192 and 121023220312201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121023220312229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511610156111 + 60511610156112.

It is an arithmetic number, because the mean of its divisors is an integer number (60511610156112).

Almost surely, 2^{121023220312223} is an apocalyptic number.

121023220312223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121023220312223 is an equidigital number, since it uses as much as digits as its factorization.

121023220312223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121023220312223 its reverse (322213022320121), we get a palindrome (443236242632344).

The spelling of 121023220312223 in words is "one hundred twenty-one trillion, twenty-three billion, two hundred twenty million, three hundred twelve thousand, two hundred twenty-three".