22101020002001 has 8 divisors (see below), whose sum is σ = 22151375716608. Its totient is φ = 22050694692000.

The previous prime is 22101020001997. The next prime is 22101020002027. The reversal of 22101020002001 is 10020002010122.

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 22101020002001 - 2² = 22101020001997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101020002081) 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, 6145385 + ... + 9053606.

It is an arithmetic number, because the mean of its divisors is an integer number (2768921964576).

Almost surely, 2^{22101020002001} is an apocalyptic number.

It is an amenable number.

22101020002001 is a deficient number, since it is larger than the sum of its proper divisors (50355714607).

22101020002001 is a wasteful number, since it uses less digits than its factorization.

22101020002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15202303.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101020002001 its reverse (10020002010122), we get a palindrome (32121022012123).

The spelling of 22101020002001 in words is "twenty-two trillion, one hundred one billion, twenty million, two thousand, one".