20113211230003 has 32 divisors (see below), whose sum is σ = 21441637578240. Its totient is φ = 18813038745600.

The previous prime is 20113211229983. The next prime is 20113211230111. The reversal of 20113211230003 is 30003211231102.

It is a cyclic number.

It is not a de Polignac number, because 20113211230003 - 2⁵ = 20113211229971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20113211236003) 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, 1214044426 + ... + 1214060992.

It is an arithmetic number, because the mean of its divisors is an integer number (670051174320).

Almost surely, 2^{20113211230003} is an apocalyptic number.

20113211230003 is a deficient number, since it is larger than the sum of its proper divisors (1328426348237).

20113211230003 is a wasteful number, since it uses less digits than its factorization.

20113211230003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18667.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20113211230003 its reverse (30003211231102), we get a palindrome (50116422461105).

The spelling of 20113211230003 in words is "twenty trillion, one hundred thirteen billion, two hundred eleven million, two hundred thirty thousand, three".