12011221100131 has 8 divisors (see below), whose sum is σ = 13127104868544. Its totient is φ = 10899329761320.

The previous prime is 12011221100129. The next prime is 12011221100143. The reversal of 12011221100131 is 13100112211021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011221100131 - 2¹ = 12011221100129 is a prime.

It is a super-2 number, since 2×12011221100131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011221100161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998101105 + ... + 998113138.

It is an arithmetic number, because the mean of its divisors is an integer number (1640888108568).

Almost surely, 2^{12011221100131} is an apocalyptic number.

12011221100131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12011221100131 is a deficient number, since it is larger than the sum of its proper divisors (1115883768413).

12011221100131 is a wasteful number, since it uses less digits than its factorization.

12011221100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996214801.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12011221100131 its reverse (13100112211021), we get a palindrome (25111333311152).

The spelling of 12011221100131 in words is "twelve trillion, eleven billion, two hundred twenty-one million, one hundred thousand, one hundred thirty-one".