21110011022103 has 8 divisors (see below), whose sum is σ = 28147336977408. Its totient is φ = 14073012874104.

The previous prime is 21110011022081. The next prime is 21110011022137. The reversal of 21110011022103 is 30122011001112.

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

It is not a de Polignac number, because 21110011022103 - 2⁶ = 21110011022039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110011022143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81801525 + ... + 82059182.

It is an arithmetic number, because the mean of its divisors is an integer number (3518417122176).

Almost surely, 2^{21110011022103} is an apocalyptic number.

21110011022103 is a deficient number, since it is larger than the sum of its proper divisors (7037325955305).

21110011022103 is a wasteful number, since it uses less digits than its factorization.

21110011022103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163903653.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 21110011022103 its reverse (30122011001112), we get a palindrome (51232022023215).

The spelling of 21110011022103 in words is "twenty-one trillion, one hundred ten billion, eleven million, twenty-two thousand, one hundred three".