20211102103 has 8 divisors (see below), whose sum is σ = 21855310272. Its totient is φ = 18617485056.

The previous prime is 20211102083. The next prime is 20211102113. The reversal of 20211102103 is 30120111202.

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

It is a cyclic number.

It is not a de Polignac number, because 20211102103 - 2¹³ = 20211093911 is a prime.

It is a super-3 number, since 3×20211102103³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12646950 + ... + 12648547.

It is an arithmetic number, because the mean of its divisors is an integer number (2731913784).

Almost surely, 2^20211102103 is an apocalyptic number.

20211102103 is a deficient number, since it is larger than the sum of its proper divisors (1644208169).

20211102103 is a wasteful number, since it uses less digits than its factorization.

20211102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25295561.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20211102103 its reverse (30120111202), we get a palindrome (50331213305).

Subtracting 20211102103 from its reverse (30120111202), we obtain a palindrome (9909009099).

The spelling of 20211102103 in words is "twenty billion, two hundred eleven million, one hundred two thousand, one hundred three".