20211222112003 has 16 divisors (see below), whose sum is σ = 21936026246400. Its totient is φ = 18511099405344.

The previous prime is 20211222111973. The next prime is 20211222112033. The reversal of 20211222112003 is 30021122211202.

It is an interprime number because it is at equal distance from previous prime (20211222111973) and next prime (20211222112033).

It is a de Polignac number, because none of the positive numbers 2^k-20211222112003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211222112033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6692401 + ... + 9230962.

It is an arithmetic number, because the mean of its divisors is an integer number (1371001640400).

Almost surely, 2^{20211222112003} is an apocalyptic number.

20211222112003 is a deficient number, since it is larger than the sum of its proper divisors (1724804134397).

20211222112003 is a wasteful number, since it uses less digits than its factorization.

20211222112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15924138.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20211222112003 its reverse (30021122211202), we get a palindrome (50232344323205).

The spelling of 20211222112003 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, three".