20100011211203 has 64 divisors (see below), whose sum is σ = 27693878123520. Its totient is φ = 14110143590400.

The previous prime is 20100011211173. The next prime is 20100011211227. The reversal of 20100011211203 is 30211211000102.

It is not a de Polignac number, because 20100011211203 - 2²⁸ = 20099742775747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20100011211253) 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, 688733 + ... + 6377646.

It is an arithmetic number, because the mean of its divisors is an integer number (432716845680).

Almost surely, 2^{20100011211203} is an apocalyptic number.

20100011211203 is a deficient number, since it is larger than the sum of its proper divisors (7593866912317).

20100011211203 is a wasteful number, since it uses less digits than its factorization.

20100011211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066508.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20100011211203 its reverse (30211211000102), we get a palindrome (50311222211305).

The spelling of 20100011211203 in words is "twenty trillion, one hundred billion, eleven million, two hundred eleven thousand, two hundred three".