21122000110001 has 16 divisors (see below), whose sum is σ = 24148740833280. Its totient is φ = 18097588410000.

The previous prime is 21122000109989. The next prime is 21122000110021. The reversal of 21122000110001 is 10001100022112.

It is a cyclic number.

It is not a de Polignac number, because 21122000110001 - 2¹⁰ = 21122000108977 is a prime.

It is a super-2 number, since 2×21122000110001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122000110021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323294600 + ... + 323359926.

It is an arithmetic number, because the mean of its divisors is an integer number (1509296302080).

Almost surely, 2^{21122000110001} is an apocalyptic number.

It is an amenable number.

21122000110001 is a deficient number, since it is larger than the sum of its proper divisors (3026740723279).

21122000110001 is a wasteful number, since it uses less digits than its factorization.

21122000110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82444.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21122000110001 its reverse (10001100022112), we get a palindrome (31123100132113).

The spelling of 21122000110001 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred ten thousand, one".