201102022221 has 32 divisors (see below), whose sum is σ = 282912960000. Its totient is φ = 126713170368.

The previous prime is 201102022213. The next prime is 201102022249. The reversal of 201102022221 is 122220201102.

It is not a de Polignac number, because 201102022221 - 2³ = 201102022213 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201102022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102022021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60956830 + ... + 60960128.

It is an arithmetic number, because the mean of its divisors is an integer number (8841030000).

Almost surely, 2^201102022221 is an apocalyptic number.

It is an amenable number.

201102022221 is a deficient number, since it is larger than the sum of its proper divisors (81810937779).

201102022221 is a wasteful number, since it uses less digits than its factorization.

201102022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201102022221 its reverse (122220201102), we get a palindrome (323322223323).

The spelling of 201102022221 in words is "two hundred one billion, one hundred two million, twenty-two thousand, two hundred twenty-one".