21022102212001 has 8 divisors (see below), whose sum is σ = 22933595450304. Its totient is φ = 19110674479920.

The previous prime is 21022102211987. The next prime is 21022102212031. The reversal of 21022102212001 is 10021220122012.

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 a de Polignac number, because none of the positive numbers 2^k-21022102212001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21022102212031) 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, 15704341 + ... + 16990306.

It is an arithmetic number, because the mean of its divisors is an integer number (2866699431288).

Almost surely, 2^{21022102212001} is an apocalyptic number.

It is an amenable number.

21022102212001 is a deficient number, since it is larger than the sum of its proper divisors (1911493238303).

21022102212001 is a wasteful number, since it uses less digits than its factorization.

21022102212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32753111.

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

Adding to 21022102212001 its reverse (10021220122012), we get a palindrome (31043322334013).

The spelling of 21022102212001 in words is "twenty-one trillion, twenty-two billion, one hundred two million, two hundred twelve thousand, one".