201000100010221 has 8 divisors (see below), whose sum is σ = 201165831417600. Its totient is φ = 200834378257440.

The previous prime is 201000100010111. The next prime is 201000100010231. The reversal of 201000100010221 is 122010001000102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000100010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000100010198 and 201000100010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000100010231) 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, 39542185 + ... + 44334913.

It is an arithmetic number, because the mean of its divisors is an integer number (25145728927200).

Almost surely, 2^{201000100010221} is an apocalyptic number.

It is an amenable number.

201000100010221 is a deficient number, since it is larger than the sum of its proper divisors (165731407379).

201000100010221 is a wasteful number, since it uses less digits than its factorization.

201000100010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827299.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201000100010221 its reverse (122010001000102), we get a palindrome (323010101010323).

The spelling of 201000100010221 in words is "two hundred one trillion, one hundred million, ten thousand, two hundred twenty-one".