101111221110113 has 4 divisors (see below), whose sum is σ = 101111457154500. Its totient is φ = 101110985065728.

The previous prime is 101111221110103. The next prime is 101111221110131. The reversal of 101111221110113 is 311011122111101.

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 32888527461904 + 68222693648209 = 5734852^2 + 8259703^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111221110113 - 2¹² = 101111221106017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111221110091 and 101111221110100.

It is not an unprimeable number, because it can be changed into a prime (101111221110103) 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, 117378488 + ... + 118236761.

It is an arithmetic number, because the mean of its divisors is an integer number (25277864288625).

Almost surely, 2^{101111221110113} is an apocalyptic number.

It is an amenable number.

101111221110113 is a deficient number, since it is larger than the sum of its proper divisors (236044387).

101111221110113 is an equidigital number, since it uses as much as digits as its factorization.

101111221110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236044386.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 101111221110113 its reverse (311011122111101), we get a palindrome (412122343221214).

The spelling of 101111221110113 in words is "one hundred one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred thirteen".