101221103023 has 2 divisors, whose sum is σ = 101221103024. Its totient is φ = 101221103022.

The previous prime is 101221103017. The next prime is 101221103033. The reversal of 101221103023 is 320301122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101221103023 - 2⁵ = 101221102991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101221102988 and 101221103006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221103033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610551511 + 50610551512.

It is an arithmetic number, because the mean of its divisors is an integer number (50610551512).

Almost surely, 2^101221103023 is an apocalyptic number.

101221103023 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221103023 is an equidigital number, since it uses as much as digits as its factorization.

101221103023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101221103023 its reverse (320301122101), we get a palindrome (421522225124).

The spelling of 101221103023 in words is "one hundred one billion, two hundred twenty-one million, one hundred three thousand, twenty-three".