111232220101 has 4 divisors (see below), whose sum is σ = 112312144672. Its totient is φ = 110152295532.

The previous prime is 111232220093. The next prime is 111232220111. The reversal of 111232220101 is 101022232111.

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 111232220101 - 2³ = 111232220093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111232220111) 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, 539962131 + ... + 539962336.

It is an arithmetic number, because the mean of its divisors is an integer number (28078036168).

Almost surely, 2^111232220101 is an apocalyptic number.

It is an amenable number.

111232220101 is a deficient number, since it is larger than the sum of its proper divisors (1079924571).

111232220101 is a wasteful number, since it uses less digits than its factorization.

111232220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079924570.

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

Adding to 111232220101 its reverse (101022232111), we get a palindrome (212254452212).

The spelling of 111232220101 in words is "one hundred eleven billion, two hundred thirty-two million, two hundred twenty thousand, one hundred one".