111020212003 has 4 divisors (see below), whose sum is σ = 111022776208. Its totient is φ = 111017647800.

The previous prime is 111020212001. The next prime is 111020212033. The reversal of 111020212003 is 300212020111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300212020111 = 45307 ⋅6626173.

It is a cyclic number.

It is not a de Polignac number, because 111020212003 - 2¹ = 111020212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020212001) 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, 1216023 + ... + 1304128.

It is an arithmetic number, because the mean of its divisors is an integer number (27755694052).

Almost surely, 2^111020212003 is an apocalyptic number.

111020212003 is a deficient number, since it is larger than the sum of its proper divisors (2564205).

111020212003 is an equidigital number, since it uses as much as digits as its factorization.

111020212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564204.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 111020212003 its reverse (300212020111), we get a palindrome (411232232114).

The spelling of 111020212003 in words is "one hundred eleven billion, twenty million, two hundred twelve thousand, three".