12021322201131 has 4 divisors (see below), whose sum is σ = 16028429601512. Its totient is φ = 8014214800752.

The previous prime is 12021322201121. The next prime is 12021322201201. The reversal of 12021322201131 is 13110222312021.

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

It is not a de Polignac number, because 12021322201131 - 2¹¹ = 12021322199083 is a prime.

It is a super-2 number, since 2×12021322201131² (a number of 27 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 = 12021322201098 and 12021322201107.

It is not an unprimeable number, because it can be changed into a prime (12021322201121) 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, 2003553700186 + ... + 2003553700191.

It is an arithmetic number, because the mean of its divisors is an integer number (4007107400378).

Almost surely, 2^{12021322201131} is an apocalyptic number.

12021322201131 is a deficient number, since it is larger than the sum of its proper divisors (4007107400381).

12021322201131 is an equidigital number, since it uses as much as digits as its factorization.

12021322201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007107400380.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12021322201131 its reverse (13110222312021), we get a palindrome (25131544513152).

The spelling of 12021322201131 in words is "twelve trillion, twenty-one billion, three hundred twenty-two million, two hundred one thousand, one hundred thirty-one".