11101001101213 has 4 divisors (see below), whose sum is σ = 11101128328828. Its totient is φ = 11100873873600.

The previous prime is 11101001101189. The next prime is 11101001101231. The reversal of 11101001101213 is 31210110010111.

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 3998792091204 + 7102209010009 = 1999698^2 + 2664997^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101001101213 - 2²¹ = 11100999004061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101001101193 and 11101001101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101001161213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63482838 + ... + 63657463.

It is an arithmetic number, because the mean of its divisors is an integer number (2775282082207).

Almost surely, 2^{11101001101213} is an apocalyptic number.

It is an amenable number.

11101001101213 is a deficient number, since it is larger than the sum of its proper divisors (127227615).

11101001101213 is an equidigital number, since it uses as much as digits as its factorization.

11101001101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127227614.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11101001101213 its reverse (31210110010111), we get a palindrome (42311111111324).

The spelling of 11101001101213 in words is "eleven trillion, one hundred one billion, one million, one hundred one thousand, two hundred thirteen".