111354221352133 has 4 divisors (see below), whose sum is σ = 111354242823148. Its totient is φ = 111354199881120.

The previous prime is 111354221352119. The next prime is 111354221352233. The reversal of 111354221352133 is 331253122453111.

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 40906283223204 + 70447938128929 = 6395802^2 + 8393327^2 .

It is a cyclic number.

It is not a de Polignac number, because 111354221352133 - 2³³ = 111345631417541 is a prime.

It is a super-2 number, since 2×111354221352133² (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 = 111354221352092 and 111354221352101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111354221352233) 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, 2406673 + ... + 15116233.

It is an arithmetic number, because the mean of its divisors is an integer number (27838560705787).

Almost surely, 2^{111354221352133} is an apocalyptic number.

It is an amenable number.

111354221352133 is a deficient number, since it is larger than the sum of its proper divisors (21471015).

111354221352133 is an equidigital number, since it uses as much as digits as its factorization.

111354221352133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21471014.

The product of its digits is 64800, while the sum is 37.

The spelling of 111354221352133 in words is "one hundred eleven trillion, three hundred fifty-four billion, two hundred twenty-one million, three hundred fifty-two thousand, one hundred thirty-three".