23021223221111 has 8 divisors (see below), whose sum is σ = 23337004264704. Its totient is φ = 22705453578240.

The previous prime is 23021223221099. The next prime is 23021223221119. The reversal of 23021223221111 is 11112232212032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23021223221111 - 2⁶ = 23021223221047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021223221119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256375 + ... + 6900791.

It is an arithmetic number, because the mean of its divisors is an integer number (2917125533088).

Almost surely, 2^{23021223221111} is an apocalyptic number.

23021223221111 is a deficient number, since it is larger than the sum of its proper divisors (315781043593).

23021223221111 is an equidigital number, since it uses as much as digits as its factorization.

23021223221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700361.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 23021223221111 its reverse (11112232212032), we get a palindrome (34133455433143).

The spelling of 23021223221111 in words is "twenty-three trillion, twenty-one billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred eleven".