223022021011 has 2 divisors, whose sum is σ = 223022021012. Its totient is φ = 223022021010.

The previous prime is 223022020973. The next prime is 223022021017. The reversal of 223022021011 is 110120220322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223022021011 - 2²¹ = 223019923859 is a prime.

It is not a weakly prime, because it can be changed into another prime (223022021017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111511010505 + 111511010506.

It is an arithmetic number, because the mean of its divisors is an integer number (111511010506).

Almost surely, 2^223022021011 is an apocalyptic number.

223022021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

223022021011 is an equidigital number, since it uses as much as digits as its factorization.

223022021011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 223022021011 its reverse (110120220322), we get a palindrome (333142241333).

The spelling of 223022021011 in words is "two hundred twenty-three billion, twenty-two million, twenty-one thousand, eleven".