11122212112203 has 16 divisors (see below), whose sum is σ = 15475544130816. Its totient is φ = 7091892503520.

The previous prime is 11122212112183. The next prime is 11122212112229. The reversal of 11122212112203 is 30221121222111.

It is not a de Polignac number, because 11122212112203 - 2⁵ = 11122212112171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11122212112203.

It is not an unprimeable number, because it can be changed into a prime (11122212112003) 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, 5125900 + ... + 6965577.

It is an arithmetic number, because the mean of its divisors is an integer number (967221508176).

Almost surely, 2^{11122212112203} is an apocalyptic number.

11122212112203 is a deficient number, since it is larger than the sum of its proper divisors (4353332018613).

11122212112203 is a wasteful number, since it uses less digits than its factorization.

11122212112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12104834.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11122212112203 its reverse (30221121222111), we get a palindrome (41343333334314).

The spelling of 11122212112203 in words is "eleven trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twelve thousand, two hundred three".