20211012200203 has 32 divisors (see below), whose sum is σ = 22506397920000. Its totient is φ = 17994334723200.

The previous prime is 20211012200179. The next prime is 20211012200213. The reversal of 20211012200203 is 30200221011202.

It is a happy number.

It is not a de Polignac number, because 20211012200203 - 2²¹ = 20211010103051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211012200213) 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, 1055892013 + ... + 1055911153.

It is an arithmetic number, because the mean of its divisors is an integer number (703324935000).

Almost surely, 2^{20211012200203} is an apocalyptic number.

20211012200203 is a deficient number, since it is larger than the sum of its proper divisors (2295385719797).

20211012200203 is a wasteful number, since it uses less digits than its factorization.

20211012200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25243.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20211012200203 its reverse (30200221011202), we get a palindrome (50411233211405).

The spelling of 20211012200203 in words is "twenty trillion, two hundred eleven billion, twelve million, two hundred thousand, two hundred three".