11021221100103 has 4 divisors (see below), whose sum is σ = 14694961466808. Its totient is φ = 7347480733400.

The previous prime is 11021221100081. The next prime is 11021221100137. The reversal of 11021221100103 is 30100112212011.

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

It is a cyclic number.

It is not a de Polignac number, because 11021221100103 - 2¹⁶ = 11021221034567 is a prime.

It is a super-2 number, since 2×11021221100103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021221140103) 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, 1836870183348 + ... + 1836870183353.

It is an arithmetic number, because the mean of its divisors is an integer number (3673740366702).

Almost surely, 2^{11021221100103} is an apocalyptic number.

11021221100103 is a deficient number, since it is larger than the sum of its proper divisors (3673740366705).

11021221100103 is an equidigital number, since it uses as much as digits as its factorization.

11021221100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673740366704.

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

Adding to 11021221100103 its reverse (30100112212011), we get a palindrome (41121333312114).

The spelling of 11021221100103 in words is "eleven trillion, twenty-one billion, two hundred twenty-one million, one hundred thousand, one hundred three".