20233212113311 has 2 divisors, whose sum is σ = 20233212113312. Its totient is φ = 20233212113310.

The previous prime is 20233212113269. The next prime is 20233212113377. The reversal of 20233212113311 is 11331121233202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20233212113311 - 2²⁹ = 20232675242399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20233212113711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116606056655 + 10116606056656.

It is an arithmetic number, because the mean of its divisors is an integer number (10116606056656).

Almost surely, 2^{20233212113311} is an apocalyptic number.

20233212113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233212113311 is an equidigital number, since it uses as much as digits as its factorization.

20233212113311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 20233212113311 its reverse (11331121233202), we get a palindrome (31564333346513).

The spelling of 20233212113311 in words is "twenty trillion, two hundred thirty-three billion, two hundred twelve million, one hundred thirteen thousand, three hundred eleven".