20211321233103 has 64 divisors (see below), whose sum is σ = 37160410893312. Its totient is φ = 9429803412480.

The previous prime is 20211321233087. The next prime is 20211321233143. The reversal of 20211321233103 is 30133212311202.

It is not a de Polignac number, because 20211321233103 - 2⁴ = 20211321233087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211321233143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90839926 + ... + 91062147.

It is an arithmetic number, because the mean of its divisors is an integer number (580631420208).

Almost surely, 2^{20211321233103} is an apocalyptic number.

20211321233103 is a deficient number, since it is larger than the sum of its proper divisors (16949089660209).

20211321233103 is a wasteful number, since it uses less digits than its factorization.

20211321233103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181902144.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20211321233103 its reverse (30133212311202), we get a palindrome (50344533544305).

The spelling of 20211321233103 in words is "twenty trillion, two hundred eleven billion, three hundred twenty-one million, two hundred thirty-three thousand, one hundred three".