201121204324 has 24 divisors (see below), whose sum is σ = 367325340480. Its totient is φ = 96172548384.

The previous prime is 201121204243. The next prime is 201121204337. The reversal of 201121204324 is 423402121102.

It is a junction number, because it is equal to n+sod(n) for n = 201121204295 and 201121204304.

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, 390847 + ... + 744985.

It is an arithmetic number, because the mean of its divisors is an integer number (15305222520).

Almost surely, 2^201121204324 is an apocalyptic number.

It is an amenable number.

201121204324 is a deficient number, since it is larger than the sum of its proper divisors (166204136156).

201121204324 is a wasteful number, since it uses less digits than its factorization.

201121204324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360339 (or 360337 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201121204324 its reverse (423402121102), we get a palindrome (624523325426).

The spelling of 201121204324 in words is "two hundred one billion, one hundred twenty-one million, two hundred four thousand, three hundred twenty-four".