20113211223133 has 32 divisors (see below), whose sum is σ = 24435405388800. Its totient is φ = 16161307951104.

The previous prime is 20113211223071. The next prime is 20113211223137. The reversal of 20113211223133 is 33132211231102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20113211223133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20113211223098 and 20113211223107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113211223137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550139308 + ... + 550175866.

It is an arithmetic number, because the mean of its divisors is an integer number (763606418400).

Almost surely, 2^{20113211223133} is an apocalyptic number.

It is an amenable number.

20113211223133 is a deficient number, since it is larger than the sum of its proper divisors (4322194165667).

20113211223133 is a wasteful number, since it uses less digits than its factorization.

20113211223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54829.

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

Adding to 20113211223133 its reverse (33132211231102), we get a palindrome (53245422454235).

The spelling of 20113211223133 in words is "twenty trillion, one hundred thirteen billion, two hundred eleven million, two hundred twenty-three thousand, one hundred thirty-three".