223103212011 has 24 divisors (see below), whose sum is σ = 324338624064. Its totient is φ = 147777713280.

The previous prime is 223103212009. The next prime is 223103212027. The reversal of 223103212011 is 110212301322.

223103212011 is a `hidden beast` number, since 2 + 2 + 310 + 321 + 20 + 11 = 666.

It is not a de Polignac number, because 223103212011 - 2¹ = 223103212009 is a prime.

It is a super-3 number, since 3×223103212011³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223103212411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1724590 + ... + 1849436.

It is an arithmetic number, because the mean of its divisors is an integer number (13514109336).

Almost surely, 2^223103212011 is an apocalyptic number.

223103212011 is a deficient number, since it is larger than the sum of its proper divisors (101235412053).

223103212011 is a wasteful number, since it uses less digits than its factorization.

223103212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126131 (or 126128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223103212011 its reverse (110212301322), we get a palindrome (333315513333).

The spelling of 223103212011 in words is "two hundred twenty-three billion, one hundred three million, two hundred twelve thousand, eleven".