111100020311213 has 4 divisors (see below), whose sum is σ = 111120544983228. Its totient is φ = 111079495639200.

The previous prime is 111100020311143. The next prime is 111100020311239. The reversal of 111100020311213 is 312113020001111.

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 74732342275369 + 36367678035844 = 8644787^2 + 6030562^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100020311213 - 2¹⁰ = 111100020310189 is a prime.

It is a super-2 number, since 2×111100020311213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111100020311191 and 111100020311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100020371213) 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, 10262327888 + ... + 10262338713.

It is an arithmetic number, because the mean of its divisors is an integer number (27780136245807).

Almost surely, 2^{111100020311213} is an apocalyptic number.

It is an amenable number.

111100020311213 is a deficient number, since it is larger than the sum of its proper divisors (20524672015).

111100020311213 is an equidigital number, since it uses as much as digits as its factorization.

111100020311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20524672014.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111100020311213 its reverse (312113020001111), we get a palindrome (423213040312324).

The spelling of 111100020311213 in words is "one hundred eleven trillion, one hundred billion, twenty million, three hundred eleven thousand, two hundred thirteen".