201101021200221 has 8 divisors (see below), whose sum is σ = 268220169825024. Its totient is φ = 134024610021120.

The previous prime is 201101021200213. The next prime is 201101021200231. The reversal of 201101021200221 is 122002120101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201101021200221 - 2³ = 201101021200213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201101021200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101021200231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10684350445 + ... + 10684369266.

It is an arithmetic number, because the mean of its divisors is an integer number (33527521228128).

Almost surely, 2^{201101021200221} is an apocalyptic number.

It is an amenable number.

201101021200221 is a deficient number, since it is larger than the sum of its proper divisors (67119148624803).

201101021200221 is a wasteful number, since it uses less digits than its factorization.

201101021200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21368722851.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201101021200221 its reverse (122002120101102), we get a palindrome (323103141301323).

The spelling of 201101021200221 in words is "two hundred one trillion, one hundred one billion, twenty-one million, two hundred thousand, two hundred twenty-one".