131022021110121 has 16 divisors (see below), whose sum is σ = 198620807197120. Its totient is φ = 85316664908160.

The previous prime is 131022021110111. The next prime is 131022021110159. The reversal of 131022021110121 is 121011120220131.

It is a happy number.

131022021110121 is a `hidden beast` number, since 1 + 310 + 2 + 20 + 211 + 1 + 0 + 121 = 666.

It is not a de Polignac number, because 131022021110121 - 2¹¹ = 131022021108073 is a prime.

It is a super-4 number, since 4×131022021110121⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131022021110094 and 131022021110103.

It is not an unprimeable number, because it can be changed into a prime (131022021110111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56426364520 + ... + 56426366841.

It is an arithmetic number, because the mean of its divisors is an integer number (12413800449820).

Almost surely, 2^{131022021110121} is an apocalyptic number.

It is an amenable number.

131022021110121 is a deficient number, since it is larger than the sum of its proper divisors (67598786086999).

131022021110121 is a wasteful number, since it uses less digits than its factorization.

131022021110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112852731413 (or 112852731407 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 131022021110121 its reverse (121011120220131), we get a palindrome (252033141330252).

The spelling of 131022021110121 in words is "one hundred thirty-one trillion, twenty-two billion, twenty-one million, one hundred ten thousand, one hundred twenty-one".