201211032022221 has 128 divisors (see below), whose sum is σ = 316064405583360. Its totient is φ = 112801915699200.

The previous prime is 201211032022157. The next prime is 201211032022279. The reversal of 201211032022221 is 122220230112102.

It is not a de Polignac number, because 201211032022221 - 2⁶ = 201211032022157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211032021221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 673029045 + ... + 673327941.

It is an arithmetic number, because the mean of its divisors is an integer number (2469253168620).

Almost surely, 2^{201211032022221} is an apocalyptic number.

It is an amenable number.

201211032022221 is a deficient number, since it is larger than the sum of its proper divisors (114853373561139).

201211032022221 is a wasteful number, since it uses less digits than its factorization.

201211032022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299327.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 201211032022221 its reverse (122220230112102), we get a palindrome (323431262134323).

The spelling of 201211032022221 in words is "two hundred one trillion, two hundred eleven billion, thirty-two million, twenty-two thousand, two hundred twenty-one".