11202213123 has 24 divisors (see below), whose sum is σ = 16311894768. Its totient is φ = 7407804672.

The previous prime is 11202213091. The next prime is 11202213133. The reversal of 11202213123 is 32131220211.

It is not a de Polignac number, because 11202213123 - 2⁵ = 11202213091 is a prime.

It is a super-2 number, since 2×11202213123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11202213096 and 11202213105.

It is not an unprimeable number, because it can be changed into a prime (11202213133) 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, 2040340 + ... + 2045822.

It is an arithmetic number, because the mean of its divisors is an integer number (679662282).

Almost surely, 2^11202213123 is an apocalyptic number.

11202213123 is a deficient number, since it is larger than the sum of its proper divisors (5109681645).

11202213123 is a wasteful number, since it uses less digits than its factorization.

11202213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283 (or 7280 counting only the distinct ones).

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

Adding to 11202213123 its reverse (32131220211), we get a palindrome (43333433334).

The spelling of 11202213123 in words is "eleven billion, two hundred two million, two hundred thirteen thousand, one hundred twenty-three".