10111112101 has 4 divisors (see below), whose sum is σ = 10125373900. Its totient is φ = 10096850304.

The previous prime is 10111112071. The next prime is 10111112129. The reversal of 10111112101 is 10121111101.

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 3584895876 + 6526216225 = 59874^2 + 80785^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111112101 - 2⁵ = 10111112069 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 (10111112701) 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, 7129836 + ... + 7131253.

It is an arithmetic number, because the mean of its divisors is an integer number (2531343475).

Almost surely, 2^10111112101 is an apocalyptic number.

It is an amenable number.

10111112101 is a deficient number, since it is larger than the sum of its proper divisors (14261799).

10111112101 is an equidigital number, since it uses as much as digits as its factorization.

10111112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14261798.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10111112101 its reverse (10121111101), we get a palindrome (20232223202).

The spelling of 10111112101 in words is "ten billion, one hundred eleven million, one hundred twelve thousand, one hundred one".