111220100020213 has 4 divisors (see below), whose sum is σ = 112880101513120. Its totient is φ = 109560098527308.

The previous prime is 111220100020201. The next prime is 111220100020247. The reversal of 111220100020213 is 312020001022111.

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 111220100020213 - 2⁵ = 111220100020181 is a prime.

It is a super-3 number, since 3×111220100020213³ (a number of 43 digits) contains 333 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 (111220100020313) 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, 830000746353 + ... + 830000746486.

It is an arithmetic number, because the mean of its divisors is an integer number (28220025378280).

Almost surely, 2^{111220100020213} is an apocalyptic number.

It is an amenable number.

111220100020213 is a deficient number, since it is larger than the sum of its proper divisors (1660001492907).

111220100020213 is an equidigital number, since it uses as much as digits as its factorization.

111220100020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660001492906.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111220100020213 its reverse (312020001022111), we get a palindrome (423240101042324).

The spelling of 111220100020213 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred million, twenty thousand, two hundred thirteen".