101221000201 has 16 divisors (see below), whose sum is σ = 102863234880. Its totient is φ = 99591148800.

The previous prime is 101221000163. The next prime is 101221000259. The reversal of 101221000201 is 102000122101.

It is a cyclic number.

It is not a de Polignac number, because 101221000201 - 2¹⁷ = 101220869129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221000801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17909226 + ... + 17914876.

It is an arithmetic number, because the mean of its divisors is an integer number (6428952180).

Almost surely, 2^101221000201 is an apocalyptic number.

It is an amenable number.

101221000201 is a deficient number, since it is larger than the sum of its proper divisors (1642234679).

101221000201 is an equidigital number, since it uses as much as digits as its factorization.

101221000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696.

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

Adding to 101221000201 its reverse (102000122101), we get a palindrome (203221122302).

The spelling of 101221000201 in words is "one hundred one billion, two hundred twenty-one million, two hundred one", and thus it is an aban number.