11211220220103 has 48 divisors (see below), whose sum is σ = 17310421327680. Its totient is φ = 6967358103552.

The previous prime is 11211220220029. The next prime is 11211220220129. The reversal of 11211220220103 is 30102202211211.

11211220220103 is a `hidden beast` number, since 1 + 1 + 211 + 220 + 220 + 10 + 3 = 666.

It is not a de Polignac number, because 11211220220103 - 2⁸ = 11211220219847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211220220143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24548878 + ... + 25001396.

It is an arithmetic number, because the mean of its divisors is an integer number (360633777660).

Almost surely, 2^{11211220220103} is an apocalyptic number.

11211220220103 is a deficient number, since it is larger than the sum of its proper divisors (6099201107577).

11211220220103 is a wasteful number, since it uses less digits than its factorization.

11211220220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454088 (or 454085 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11211220220103 its reverse (30102202211211), we get a palindrome (41313422431314).

The spelling of 11211220220103 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty thousand, one hundred three".