20211101103 has 4 divisors (see below), whose sum is σ = 26948134808. Its totient is φ = 13474067400.

The previous prime is 20211101089. The next prime is 20211101107. The reversal of 20211101103 is 30110111202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20211101103 - 2⁴ = 20211101087 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 (20211101107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368516848 + ... + 3368516853.

It is an arithmetic number, because the mean of its divisors is an integer number (6737033702).

Almost surely, 2^20211101103 is an apocalyptic number.

20211101103 is a deficient number, since it is larger than the sum of its proper divisors (6737033705).

20211101103 is an equidigital number, since it uses as much as digits as its factorization.

20211101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737033704.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 20211101103 its reverse (30110111202), we get a palindrome (50321212305).

The spelling of 20211101103 in words is "twenty billion, two hundred eleven million, one hundred one thousand, one hundred three".