131101003221 has 16 divisors (see below), whose sum is σ = 181446168960. Its totient is φ = 84098826560.

The previous prime is 131101003211. The next prime is 131101003289. The reversal of 131101003221 is 122300101131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131101003221 - 2⁶ = 131101003157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131101003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101003211) 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, 2546025 + ... + 2597006.

It is an arithmetic number, because the mean of its divisors is an integer number (11340385560).

Almost surely, 2^131101003221 is an apocalyptic number.

It is an amenable number.

131101003221 is a deficient number, since it is larger than the sum of its proper divisors (50345165739).

131101003221 is a wasteful number, since it uses less digits than its factorization.

131101003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143356.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131101003221 its reverse (122300101131), we get a palindrome (253401104352).

The spelling of 131101003221 in words is "one hundred thirty-one billion, one hundred one million, three thousand, two hundred twenty-one".