21112202010001 has 8 divisors (see below), whose sum is σ = 21256170291200. Its totient is φ = 20968288365600.

The previous prime is 21112202009867. The next prime is 21112202010041. The reversal of 21112202010001 is 10001020221112.

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-21112202010001 is a prime.

It is a super-3 number, since 3×21112202010001³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112202010041) 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, 12883596 + ... + 14429533.

It is an arithmetic number, because the mean of its divisors is an integer number (2657021286400).

Almost surely, 2^{21112202010001} is an apocalyptic number.

It is an amenable number.

21112202010001 is a deficient number, since it is larger than the sum of its proper divisors (143968281199).

21112202010001 is a wasteful number, since it uses less digits than its factorization.

21112202010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27318399.

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

Adding to 21112202010001 its reverse (10001020221112), we get a palindrome (31113222231113).

The spelling of 21112202010001 in words is "twenty-one trillion, one hundred twelve billion, two hundred two million, ten thousand, one".