11222100101213 has 4 divisors (see below), whose sum is σ = 11222150414748. Its totient is φ = 11222049787680.

The previous prime is 11222100101207. The next prime is 11222100101243. The reversal of 11222100101213 is 31210100122211.

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 1522625198809 + 9699474902404 = 1233947^2 + 3114398^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222100101213 - 2¹⁴ = 11222100084829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222100101191 and 11222100101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222100101243) 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, 24820706 + ... + 25268787.

It is an arithmetic number, because the mean of its divisors is an integer number (2805537603687).

Almost surely, 2^{11222100101213} is an apocalyptic number.

It is an amenable number.

11222100101213 is a deficient number, since it is larger than the sum of its proper divisors (50313535).

11222100101213 is an equidigital number, since it uses as much as digits as its factorization.

11222100101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50313534.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11222100101213 its reverse (31210100122211), we get a palindrome (42432200223424).

The spelling of 11222100101213 in words is "eleven trillion, two hundred twenty-two billion, one hundred million, one hundred one thousand, two hundred thirteen".