111212322213 has 8 divisors (see below), whose sum is σ = 148302900000. Its totient is φ = 74131646288.

The previous prime is 111212322173. The next prime is 111212322233. The reversal of 111212322213 is 312223212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111212322213 - 2¹³ = 111212314021 is a prime.

It is a super-2 number, since 2×111212322213² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111212322213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212322233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449218 + ... + 2494211.

It is an arithmetic number, because the mean of its divisors is an integer number (18537862500).

Almost surely, 2^111212322213 is an apocalyptic number.

It is an amenable number.

111212322213 is a deficient number, since it is larger than the sum of its proper divisors (37090577787).

111212322213 is an equidigital number, since it uses as much as digits as its factorization.

111212322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950931.

The product of its digits is 288, while the sum is 21.

Adding to 111212322213 its reverse (312223212111), we get a palindrome (423435534324).

The spelling of 111212322213 in words is "one hundred eleven billion, two hundred twelve million, three hundred twenty-two thousand, two hundred thirteen".