221012102023 has 2 divisors, whose sum is σ = 221012102024. Its totient is φ = 221012102022.

The previous prime is 221012101979. The next prime is 221012102041. The reversal of 221012102023 is 320201210122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221012102023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221012101988 and 221012102006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221012102083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110506051011 + 110506051012.

It is an arithmetic number, because the mean of its divisors is an integer number (110506051012).

Almost surely, 2^221012102023 is an apocalyptic number.

221012102023 is a deficient number, since it is larger than the sum of its proper divisors (1).

221012102023 is an equidigital number, since it uses as much as digits as its factorization.

221012102023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221012102023 its reverse (320201210122), we get a palindrome (541213312145).

The spelling of 221012102023 in words is "two hundred twenty-one billion, twelve million, one hundred two thousand, twenty-three".