223020103121 has 2 divisors, whose sum is σ = 223020103122. Its totient is φ = 223020103120.

The previous prime is 223020103099. The next prime is 223020103139. The reversal of 223020103121 is 121301020322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178684589521 + 44335513600 = 422711^2 + 210560^2 .

It is a cyclic number.

It is not a de Polignac number, because 223020103121 - 2¹⁸ = 223019840977 is a prime.

It is a super-2 number, since 2×223020103121² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223020103121.

It is not a weakly prime, because it can be changed into another prime (223020103171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510051560 + 111510051561.

It is an arithmetic number, because the mean of its divisors is an integer number (111510051561).

Almost surely, 2^223020103121 is an apocalyptic number.

It is an amenable number.

223020103121 is a deficient number, since it is larger than the sum of its proper divisors (1).

223020103121 is an equidigital number, since it uses as much as digits as its factorization.

223020103121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 223020103121 its reverse (121301020322), we get a palindrome (344321123443).

The spelling of 223020103121 in words is "two hundred twenty-three billion, twenty million, one hundred three thousand, one hundred twenty-one".