201121543130 has 32 divisors (see below), whose sum is σ = 365469309504. Its totient is φ = 79682109696.

The previous prime is 201121543093. The next prime is 201121543151. The reversal of 201121543130 is 31345121102.

It is a super-2 number, since 2×201121543130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201121543096 and 201121543105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7222514 + ... + 7250306.

It is an arithmetic number, because the mean of its divisors is an integer number (11420915922).

Almost surely, 2^201121543130 is an apocalyptic number.

201121543130 is a deficient number, since it is larger than the sum of its proper divisors (164347766374).

201121543130 is a wasteful number, since it uses less digits than its factorization.

201121543130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34670.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 201121543130 its reverse (31345121102), we get a palindrome (232466664232).

The spelling of 201121543130 in words is "two hundred one billion, one hundred twenty-one million, five hundred forty-three thousand, one hundred thirty".