11220303210123 has 16 divisors (see below), whose sum is σ = 17997478833920. Its totient is φ = 6074149106016.

The previous prime is 11220303210121. The next prime is 11220303210139. The reversal of 11220303210123 is 32101230302211.

It is not a de Polignac number, because 11220303210123 - 2¹ = 11220303210121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220303210123.

It is not an unprimeable number, because it can be changed into a prime (11220303210121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14060529940 + ... + 14060530737.

It is an arithmetic number, because the mean of its divisors is an integer number (1124842427120).

Almost surely, 2^{11220303210123} is an apocalyptic number.

11220303210123 is a deficient number, since it is larger than the sum of its proper divisors (6777175623797).

11220303210123 is a wasteful number, since it uses less digits than its factorization.

11220303210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28121060706.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11220303210123 its reverse (32101230302211), we get a palindrome (43321533512334).

The spelling of 11220303210123 in words is "eleven trillion, two hundred twenty billion, three hundred three million, two hundred ten thousand, one hundred twenty-three".