101112220111 has 4 divisors (see below), whose sum is σ = 115556822992. Its totient is φ = 86667617232.

The previous prime is 101112220087. The next prime is 101112220141. The reversal of 101112220111 is 111022211101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101112220111 - 2¹⁵ = 101112187343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101112220091 and 101112220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112220141) 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, 7222301430 + ... + 7222301443.

It is an arithmetic number, because the mean of its divisors is an integer number (28889205748).

Almost surely, 2^101112220111 is an apocalyptic number.

101112220111 is a deficient number, since it is larger than the sum of its proper divisors (14444602881).

101112220111 is an equidigital number, since it uses as much as digits as its factorization.

101112220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444602880.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101112220111 its reverse (111022211101), we get a palindrome (212134431212).

The spelling of 101112220111 in words is "one hundred one billion, one hundred twelve million, two hundred twenty thousand, one hundred eleven".