21110222000001 has 8 divisors (see below), whose sum is σ = 28222423694080. Its totient is φ = 14035750819632.

The previous prime is 21110221999973. The next prime is 21110222000003. The reversal of 21110222000001 is 10000022201112.

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

It is not a de Polignac number, because 21110222000001 - 2¹⁹ = 21110221475713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21110222000003) 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, 9432627121 + ... + 9432629358.

It is an arithmetic number, because the mean of its divisors is an integer number (3527802961760).

Almost surely, 2^{21110222000001} is an apocalyptic number.

It is an amenable number.

21110222000001 is a deficient number, since it is larger than the sum of its proper divisors (7112201694079).

21110222000001 is a wasteful number, since it uses less digits than its factorization.

21110222000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18865256855.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21110222000001 its reverse (10000022201112), we get a palindrome (31110244201113).

The spelling of 21110222000001 in words is "twenty-one trillion, one hundred ten billion, two hundred twenty-two million, one", and thus it is an aban number.