11112212203 has 16 divisors (see below), whose sum is σ = 11782400256. Its totient is φ = 10458914400.

The previous prime is 11112212173. The next prime is 11112212269. The reversal of 11112212203 is 30221221111.

It is a cyclic number.

It is not a de Polignac number, because 11112212203 - 2¹³ = 11112204011 is a prime.

It is a super-2 number, since 2×11112212203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112212273) 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, 363976 + ... + 393322.

It is an arithmetic number, because the mean of its divisors is an integer number (736400016).

Almost surely, 2^11112212203 is an apocalyptic number.

11112212203 is a deficient number, since it is larger than the sum of its proper divisors (670188053).

11112212203 is a wasteful number, since it uses less digits than its factorization.

11112212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29634.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112212203 its reverse (30221221111), we get a palindrome (41333433314).

The spelling of 11112212203 in words is "eleven billion, one hundred twelve million, two hundred twelve thousand, two hundred three".