201021222232 has 64 divisors (see below), whose sum is σ = 398529331200. Its totient is φ = 94795136640.

The previous prime is 201021222223. The next prime is 201021222263. The reversal of 201021222232 is 232222120102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 32720553 + ... + 32726695.

It is an arithmetic number, because the mean of its divisors is an integer number (6227020800).

Almost surely, 2^201021222232 is an apocalyptic number.

It is an amenable number.

201021222232 is a deficient number, since it is larger than the sum of its proper divisors (197508108968).

201021222232 is a wasteful number, since it uses less digits than its factorization.

201021222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096 (or 7092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201021222232 its reverse (232222120102), we get a palindrome (433243342334).

The spelling of 201021222232 in words is "two hundred one billion, twenty-one million, two hundred twenty-two thousand, two hundred thirty-two".