201121132400404 has 24 divisors (see below), whose sum is σ = 380499439681760. Its totient is φ = 92693096581536.

The previous prime is 201121132400359. The next prime is 201121132400413. The reversal of 201121132400404 is 404004231121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35761222722 + ... + 35761228345.

Almost surely, 2^{201121132400404} is an apocalyptic number.

It is an amenable number.

201121132400404 is a deficient number, since it is larger than the sum of its proper divisors (179378307281356).

201121132400404 is a wasteful number, since it uses less digits than its factorization.

201121132400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71522451127 (or 71522451125 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 201121132400404 its reverse (404004231121102), we get a palindrome (605125363521506).

The spelling of 201121132400404 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred thirty-two million, four hundred thousand, four hundred four".