12101033131 has 4 divisors (see below), whose sum is σ = 13201127064. Its totient is φ = 11000939200.

The previous prime is 12101033107. The next prime is 12101033137. The reversal of 12101033131 is 13133010121.

12101033131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12101033131 - 2¹¹ = 12101031083 is a prime.

It is a super-2 number, since 2×12101033131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101033137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550046950 + ... + 550046971.

It is an arithmetic number, because the mean of its divisors is an integer number (3300281766).

Almost surely, 2^12101033131 is an apocalyptic number.

12101033131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12101033131 is a deficient number, since it is larger than the sum of its proper divisors (1100093933).

12101033131 is a wasteful number, since it uses less digits than its factorization.

12101033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100093932.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12101033131 its reverse (13133010121), we get a palindrome (25234043252).

The spelling of 12101033131 in words is "twelve billion, one hundred one million, thirty-three thousand, one hundred thirty-one".