11233222001213 has 4 divisors (see below), whose sum is σ = 11368562025408. Its totient is φ = 11097881977020.

The previous prime is 11233222001173. The next prime is 11233222001231. The reversal of 11233222001213 is 31210022233211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11233222001213 - 2²⁰ = 11233220952637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233222001233) 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, 67670011973 + ... + 67670012138.

It is an arithmetic number, because the mean of its divisors is an integer number (2842140506352).

Almost surely, 2^{11233222001213} is an apocalyptic number.

It is an amenable number.

11233222001213 is a deficient number, since it is larger than the sum of its proper divisors (135340024195).

11233222001213 is an equidigital number, since it uses as much as digits as its factorization.

11233222001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135340024194.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11233222001213 its reverse (31210022233211), we get a palindrome (42443244234424).

The spelling of 11233222001213 in words is "eleven trillion, two hundred thirty-three billion, two hundred twenty-two million, one thousand, two hundred thirteen".