131022201212101 has 4 divisors (see below), whose sum is σ = 131150780409600. Its totient is φ = 130893622014604.

The previous prime is 131022201212099. The next prime is 131022201212113. The reversal of 131022201212101 is 101212102220131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131022201212101 - 2¹ = 131022201212099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022201212131) 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, 64289597221 + ... + 64289599258.

It is an arithmetic number, because the mean of its divisors is an integer number (32787695102400).

Almost surely, 2^{131022201212101} is an apocalyptic number.

It is an amenable number.

131022201212101 is a deficient number, since it is larger than the sum of its proper divisors (128579197499).

131022201212101 is a wasteful number, since it uses less digits than its factorization.

131022201212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128579197498.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131022201212101 its reverse (101212102220131), we get a palindrome (232234303432232).

The spelling of 131022201212101 in words is "one hundred thirty-one trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, one hundred one".