20223231020111 has 8 divisors (see below), whose sum is σ = 23126212294560. Its totient is φ = 17323736813568.

The previous prime is 20223231020099. The next prime is 20223231020123. The reversal of 20223231020111 is 11102013232202.

It is an interprime number because it is at equal distance from previous prime (20223231020099) and next prime (20223231020123).

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 20223231020111 - 2⁴² = 15825184509007 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 (20223231023111) 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, 871754546 + ... + 871777743.

It is an arithmetic number, because the mean of its divisors is an integer number (2890776536820).

Almost surely, 2^{20223231020111} is an apocalyptic number.

20223231020111 is a deficient number, since it is larger than the sum of its proper divisors (2902981274449).

20223231020111 is a wasteful number, since it uses less digits than its factorization.

20223231020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743533953.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20223231020111 its reverse (11102013232202), we get a palindrome (31325244252313).

The spelling of 20223231020111 in words is "twenty trillion, two hundred twenty-three billion, two hundred thirty-one million, twenty thousand, one hundred eleven".