11133213019 has 4 divisors (see below), whose sum is σ = 11343273696. Its totient is φ = 10923152344.

The previous prime is 11133212999. The next prime is 11133213023. The reversal of 11133213019 is 91031233111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11133213019 - 2¹³ = 11133204827 is a prime.

It is a super-2 number, since 2×11133213019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11133212984 and 11133213002.

It is not an unprimeable number, because it can be changed into a prime (11133213719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105030259 + ... + 105030364.

It is an arithmetic number, because the mean of its divisors is an integer number (2835818424).

Almost surely, 2^11133213019 is an apocalyptic number.

11133213019 is a deficient number, since it is larger than the sum of its proper divisors (210060677).

11133213019 is an equidigital number, since it uses as much as digits as its factorization.

11133213019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210060676.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 11133213019 in words is "eleven billion, one hundred thirty-three million, two hundred thirteen thousand, nineteen".