201101220572 has 12 divisors (see below), whose sum is σ = 402202441200. Its totient is φ = 86186237376.

The previous prime is 201101220491. The next prime is 201101220631. The reversal of 201101220572 is 275022101102.

201101220572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

201101220572 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591093197 + ... + 3591093252.

It is an arithmetic number, because the mean of its divisors is an integer number (33516870100).

Almost surely, 2^201101220572 is an apocalyptic number.

It is an amenable number.

201101220572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201101220572 is a wasteful number, since it uses less digits than its factorization.

201101220572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182186460 (or 7182186458 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 201101220572 its reverse (275022101102), we get a palindrome (476123321674).

The spelling of 201101220572 in words is "two hundred one billion, one hundred one million, two hundred twenty thousand, five hundred seventy-two".