20111010210001 has 8 divisors (see below), whose sum is σ = 21264414859520. Its totient is φ = 18967098603312.

The previous prime is 20111010209951. The next prime is 20111010210037. The reversal of 20111010210001 is 10001201011102.

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 20111010210001 - 2¹⁵ = 20111010177233 is a prime.

It is a super-2 number, since 2×20111010210001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20111010210001.

It is not an unprimeable number, because it can be changed into a prime (20111010210091) 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, 2373256350 + ... + 2373264823.

It is an arithmetic number, because the mean of its divisors is an integer number (2658051857440).

Almost surely, 2^{20111010210001} is an apocalyptic number.

It is an amenable number.

20111010210001 is a deficient number, since it is larger than the sum of its proper divisors (1153404649519).

20111010210001 is a wasteful number, since it uses less digits than its factorization.

20111010210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746521415.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20111010210001 its reverse (10001201011102), we get a palindrome (30112211221103).

The spelling of 20111010210001 in words is "twenty trillion, one hundred eleven billion, ten million, two hundred ten thousand, one".