201021120192 has 224 divisors, whose sum is σ = 588674041344. Its totient is φ = 60217344000.

The previous prime is 201021120149. The next prime is 201021120203. The reversal of 201021120192 is 291021120102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49620567 + ... + 49624617.

Almost surely, 2^201021120192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201021120192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294337020672).

201021120192 is an abundant number, since it is smaller than the sum of its proper divisors (387652921152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201021120192 is a wasteful number, since it uses less digits than its factorization.

201021120192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767 (or 4757 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 201021120192 its reverse (291021120102), we get a palindrome (492042240294).

The spelling of 201021120192 in words is "two hundred one billion, twenty-one million, one hundred twenty thousand, one hundred ninety-two".