21100122022001 has 8 divisors (see below), whose sum is σ = 24372333458784. Its totient is φ = 18053580339520.

The previous prime is 21100122021989. The next prime is 21100122022003. The reversal of 21100122022001 is 10022022100112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21100122022001 - 2¹⁰ = 21100122020977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21100122022003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56417438375 + ... + 56417438748.

It is an arithmetic number, because the mean of its divisors is an integer number (3046541682348).

Almost surely, 2^{21100122022001} is an apocalyptic number.

It is an amenable number.

21100122022001 is a deficient number, since it is larger than the sum of its proper divisors (3272211436783).

21100122022001 is a wasteful number, since it uses less digits than its factorization.

21100122022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112834877151.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21100122022001 its reverse (10022022100112), we get a palindrome (31122144122113).

The spelling of 21100122022001 in words is "twenty-one trillion, one hundred billion, one hundred twenty-two million, twenty-two thousand, one".