201121130402 has 32 divisors (see below), whose sum is σ = 317965070592. Its totient is φ = 95221393344.

The previous prime is 201121130381. The next prime is 201121130411. The reversal of 201121130402 is 204031121102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18553328 + ... + 18564164.

It is an arithmetic number, because the mean of its divisors is an integer number (9936408456).

Almost surely, 2^201121130402 is an apocalyptic number.

201121130402 is a deficient number, since it is larger than the sum of its proper divisors (116843940190).

201121130402 is a wasteful number, since it uses less digits than its factorization.

201121130402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14882.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201121130402 its reverse (204031121102), we get a palindrome (405152251504).

The spelling of 201121130402 in words is "two hundred one billion, one hundred twenty-one million, one hundred thirty thousand, four hundred two".