21122001010201 has 8 divisors (see below), whose sum is σ = 25996308935744. Its totient is φ = 16711912887120.

The previous prime is 21122001010163. The next prime is 21122001010247. The reversal of 21122001010201 is 10201010022112.

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-21122001010201 is a prime.

It is a super-2 number, since 2×21122001010201² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (21122001010261) 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, 116054950515 + ... + 116054950696.

It is an arithmetic number, because the mean of its divisors is an integer number (3249538616968).

Almost surely, 2^{21122001010201} is an apocalyptic number.

It is an amenable number.

21122001010201 is a deficient number, since it is larger than the sum of its proper divisors (4874307925543).

21122001010201 is a wasteful number, since it uses less digits than its factorization.

21122001010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232109901231.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21122001010201 its reverse (10201010022112), we get a palindrome (31323011032313).

The spelling of 21122001010201 in words is "twenty-one trillion, one hundred twenty-two billion, one million, ten thousand, two hundred one".