11226182121 has 80 divisors (see below), whose sum is σ = 21303139968. Its totient is φ = 5721580800.

The previous prime is 11226182069. The next prime is 11226182131. The reversal of 11226182121 is 12128162211.

11226182121 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 618 + 21 + 21 = 666.

It is not a de Polignac number, because 11226182121 - 2¹¹ = 11226180073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11226182131) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 313581 + ... + 347541.

Almost surely, 2^11226182121 is an apocalyptic number.

11226182121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11226182121 is a deficient number, since it is larger than the sum of its proper divisors (10076957847).

11226182121 is a wasteful number, since it uses less digits than its factorization.

11226182121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34044 (or 34035 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The spelling of 11226182121 in words is "eleven billion, two hundred twenty-six million, one hundred eighty-two thousand, one hundred twenty-one".