20011201022203 has 2 divisors, whose sum is σ = 20011201022204. Its totient is φ = 20011201022202.

The previous prime is 20011201022173. The next prime is 20011201022243. The reversal of 20011201022203 is 30222010211002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20011201022203 - 2³³ = 20002611087611 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011201022243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005600511101 + 10005600511102.

It is an arithmetic number, because the mean of its divisors is an integer number (10005600511102).

Almost surely, 2^{20011201022203} is an apocalyptic number.

20011201022203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011201022203 is an equidigital number, since it uses as much as digits as its factorization.

20011201022203 is an evil number, because the sum of its binary digits is even.

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

Adding to 20011201022203 its reverse (30222010211002), we get a palindrome (50233211233205).

The spelling of 20011201022203 in words is "twenty trillion, eleven billion, two hundred one million, twenty-two thousand, two hundred three".