101112012011 has 4 divisors (see below), whose sum is σ = 101118799800. Its totient is φ = 101105224224.

The previous prime is 101112011947. The next prime is 101112012013. The reversal of 101112012011 is 110210211101.

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 101112012011 - 2⁶ = 101112011947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101112011983 and 101112012001.

It is not an unprimeable number, because it can be changed into a prime (101112012013) 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, 3371501 + ... + 3401358.

It is an arithmetic number, because the mean of its divisors is an integer number (25279699950).

Almost surely, 2^101112012011 is an apocalyptic number.

101112012011 is a deficient number, since it is larger than the sum of its proper divisors (6787789).

101112012011 is an equidigital number, since it uses as much as digits as its factorization.

101112012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787788.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101112012011 its reverse (110210211101), we get a palindrome (211322223112).

The spelling of 101112012011 in words is "one hundred one billion, one hundred twelve million, twelve thousand, eleven".