130201242243021 has 72 divisors (see below), whose sum is σ = 207727613052960. Its totient is φ = 81477932184864.

The previous prime is 130201242243011. The next prime is 130201242243029. The reversal of 130201242243021 is 120342242102031.

130201242243021 is a `hidden beast` number, since 1 + 3 + 0 + 201 + 2 + 4 + 2 + 2 + 430 + 21 = 666.

It is not a de Polignac number, because 130201242243021 - 2¹³ = 130201242234829 is a prime.

It is a super-2 number, since 2×130201242243021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130201242243029) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2753406 + ... + 16370208.

Almost surely, 2^{130201242243021} is an apocalyptic number.

It is an amenable number.

130201242243021 is a deficient number, since it is larger than the sum of its proper divisors (77526370809939).

130201242243021 is a wasteful number, since it uses less digits than its factorization.

130201242243021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13616965 (or 13616934 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 130201242243021 its reverse (120342242102031), we get a palindrome (250543484345052).

The spelling of 130201242243021 in words is "one hundred thirty trillion, two hundred one billion, two hundred forty-two million, two hundred forty-three thousand, twenty-one".