111121202220003 has 72 divisors (see below), whose sum is σ = 177998496425568. Its totient is φ = 66661774553088.

The previous prime is 111121202220001. The next prime is 111121202220043. The reversal of 111121202220003 is 300022202121111.

It is not a de Polignac number, because 111121202220003 - 2¹ = 111121202220001 is a prime.

It is a super-2 number, since 2×111121202220003² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111121202220001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 133408875 + ... + 134239227.

It is an arithmetic number, because the mean of its divisors is an integer number (2472201339244).

Almost surely, 2^{111121202220003} is an apocalyptic number.

111121202220003 is a deficient number, since it is larger than the sum of its proper divisors (66877294205565).

111121202220003 is a wasteful number, since it uses less digits than its factorization.

111121202220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832653 (or 832633 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111121202220003 its reverse (300022202121111), we get a palindrome (411143404341114).

The spelling of 111121202220003 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty thousand, three".