12111101002213 has 4 divisors (see below), whose sum is σ = 12277006495468. Its totient is φ = 11945195508960.

The previous prime is 12111101002207. The next prime is 12111101002223. The reversal of 12111101002213 is 31220010111121.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3590032088644 + 8521068913569 = 1894738^2 + 2919087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111101002213 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 (12111101002223) 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, 82952746518 + ... + 82952746663.

It is an arithmetic number, because the mean of its divisors is an integer number (3069251623867).

Almost surely, 2^{12111101002213} is an apocalyptic number.

It is an amenable number.

12111101002213 is a deficient number, since it is larger than the sum of its proper divisors (165905493255).

12111101002213 is an equidigital number, since it uses as much as digits as its factorization.

12111101002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165905493254.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12111101002213 its reverse (31220010111121), we get a palindrome (43331111113334).

The spelling of 12111101002213 in words is "twelve trillion, one hundred eleven billion, one hundred one million, two thousand, two hundred thirteen".