11100101021213 has 4 divisors (see below), whose sum is σ = 11256440472288. Its totient is φ = 10943761570140.

The previous prime is 11100101021203. The next prime is 11100101021281. The reversal of 11100101021213 is 31212010100111.

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 11100101021213 - 2⁴ = 11100101021197 is a prime.

It is a super-2 number, since 2×11100101021213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100101021203) 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, 78169725431 + ... + 78169725572.

It is an arithmetic number, because the mean of its divisors is an integer number (2814110118072).

Almost surely, 2^{11100101021213} is an apocalyptic number.

It is an amenable number.

11100101021213 is a deficient number, since it is larger than the sum of its proper divisors (156339451075).

11100101021213 is an equidigital number, since it uses as much as digits as its factorization.

11100101021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156339451074.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11100101021213 its reverse (31212010100111), we get a palindrome (42312111121324).

The spelling of 11100101021213 in words is "eleven trillion, one hundred billion, one hundred one million, twenty-one thousand, two hundred thirteen".