201002220101221 has 8 divisors (see below), whose sum is σ = 250600170515904. Its totient is φ = 156625106572320.

The previous prime is 201002220101191. The next prime is 201002220101227. The reversal of 201002220101221 is 122101022200102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201002220101221 - 2¹⁵ = 201002220068453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201002220101195 and 201002220101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002220101227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305209221360 + ... + 1305209221513.

It is an arithmetic number, because the mean of its divisors is an integer number (31325021314488).

Almost surely, 2^{201002220101221} is an apocalyptic number.

It is an amenable number.

201002220101221 is a deficient number, since it is larger than the sum of its proper divisors (49597950414683).

201002220101221 is a wasteful number, since it uses less digits than its factorization.

201002220101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610418442891.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201002220101221 its reverse (122101022200102), we get a palindrome (323103242301323).

The spelling of 201002220101221 in words is "two hundred one trillion, two billion, two hundred twenty million, one hundred one thousand, two hundred twenty-one".