223021012031011 has 2 divisors, whose sum is σ = 223021012031012. Its totient is φ = 223021012031010.

The previous prime is 223021012030979. The next prime is 223021012031131. The reversal of 223021012031011 is 110130210120322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223021012031011 - 2⁵ = 223021012030979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223021012031011.

It is not a weakly prime, because it can be changed into another prime (223021012031911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510506015505 + 111510506015506.

It is an arithmetic number, because the mean of its divisors is an integer number (111510506015506).

Almost surely, 2^{223021012031011} is an apocalyptic number.

223021012031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

223021012031011 is an equidigital number, since it uses as much as digits as its factorization.

223021012031011 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 19.

Adding to 223021012031011 its reverse (110130210120322), we get a palindrome (333151222151333).

The spelling of 223021012031011 in words is "two hundred twenty-three trillion, twenty-one billion, twelve million, thirty-one thousand, eleven".