111232101003221 has 4 divisors (see below), whose sum is σ = 121344110185344. Its totient is φ = 101120091821100.

The previous prime is 111232101003217. The next prime is 111232101003269. The reversal of 111232101003221 is 122300101232111.

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 not a de Polignac number, because 111232101003221 - 2² = 111232101003217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111232101003193 and 111232101003202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111232101063221) 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, 5056004591045 + ... + 5056004591066.

It is an arithmetic number, because the mean of its divisors is an integer number (30336027546336).

Almost surely, 2^{111232101003221} is an apocalyptic number.

111232101003221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111232101003221 is a deficient number, since it is larger than the sum of its proper divisors (10112009182123).

111232101003221 is a wasteful number, since it uses less digits than its factorization.

111232101003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112009182122.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111232101003221 its reverse (122300101232111), we get a palindrome (233532202235332).

The spelling of 111232101003221 in words is "one hundred eleven trillion, two hundred thirty-two billion, one hundred one million, three thousand, two hundred twenty-one".