10100231111 has 4 divisors (see below), whose sum is σ = 10100961192. Its totient is φ = 10099501032.

The previous prime is 10100231107. The next prime is 10100231129. The reversal of 10100231111 is 11113200101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10100231111 - 2² = 10100231107 is a prime.

It is a super-2 number, since 2×10100231111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100231092 and 10100231101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100231101) 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, 343880 + ... + 372093.

It is an arithmetic number, because the mean of its divisors is an integer number (2525240298).

Almost surely, 2^10100231111 is an apocalyptic number.

10100231111 is a deficient number, since it is larger than the sum of its proper divisors (730081).

10100231111 is an equidigital number, since it uses as much as digits as its factorization.

10100231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730080.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10100231111 its reverse (11113200101), we get a palindrome (21213431212).

The spelling of 10100231111 in words is "ten billion, one hundred million, two hundred thirty-one thousand, one hundred eleven".