20211111222103 has 8 divisors (see below), whose sum is σ = 20448023883840. Its totient is φ = 19974416816640.

The previous prime is 20211111222037. The next prime is 20211111222121. The reversal of 20211111222103 is 30122211111202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211111222103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211111222193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54377775 + ... + 54748192.

It is an arithmetic number, because the mean of its divisors is an integer number (2556002985480).

Almost surely, 2^{20211111222103} is an apocalyptic number.

20211111222103 is a deficient number, since it is larger than the sum of its proper divisors (236912661737).

20211111222103 is a wasteful number, since it uses less digits than its factorization.

20211111222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109128137.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 20211111222103 its reverse (30122211111202), we get a palindrome (50333322333305).

The spelling of 20211111222103 in words is "twenty trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, one hundred three".