20133223202111 has 16 divisors (see below), whose sum is σ = 21601365350400. Its totient is φ = 18696929217408.

The previous prime is 20133223202107. The next prime is 20133223202149. The reversal of 20133223202111 is 11120232233102.

It is a cyclic number.

It is not a de Polignac number, because 20133223202111 - 2² = 20133223202107 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 (20133223202161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785571 + ... + 6930068.

It is an arithmetic number, because the mean of its divisors is an integer number (1350085334400).

Almost surely, 2^{20133223202111} is an apocalyptic number.

20133223202111 is a deficient number, since it is larger than the sum of its proper divisors (1468142148289).

20133223202111 is a wasteful number, since it uses less digits than its factorization.

20133223202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717278.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20133223202111 its reverse (11120232233102), we get a palindrome (31253455435213).

The spelling of 20133223202111 in words is "twenty trillion, one hundred thirty-three billion, two hundred twenty-three million, two hundred two thousand, one hundred eleven".