201022011332 has 24 divisors (see below), whose sum is σ = 372983377536. Its totient is φ = 94471250048.

The previous prime is 201022011319. The next prime is 201022011343. The reversal of 201022011332 is 233110220102.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 201022011332.

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, 1938848 + ... + 2039895.

It is an arithmetic number, because the mean of its divisors is an integer number (15540974064).

Almost surely, 2^201022011332 is an apocalyptic number.

It is an amenable number.

201022011332 is a deficient number, since it is larger than the sum of its proper divisors (171961366204).

201022011332 is a wasteful number, since it uses less digits than its factorization.

201022011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979507 (or 3979505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201022011332 its reverse (233110220102), we get a palindrome (434132231434).

The spelling of 201022011332 in words is "two hundred one billion, twenty-two million, eleven thousand, three hundred thirty-two".