21122102001102 has 8 divisors (see below), whose sum is σ = 42244204002216. Its totient is φ = 7040700667032.

The previous prime is 21122102001097. The next prime is 21122102001103. The reversal of 21122102001102 is 20110020122112.

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

21122102001102 is an admirable number.

It is a super-4 number, since 4×21122102001102⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122102001103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760175166753 + ... + 1760175166764.

It is an arithmetic number, because the mean of its divisors is an integer number (5280525500277).

Almost surely, 2^{21122102001102} is an apocalyptic number.

21122102001102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21122102001102 is a wasteful number, since it uses less digits than its factorization.

21122102001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520350333522.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21122102001102 its reverse (20110020122112), we get a palindrome (41232122123214).

The spelling of 21122102001102 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred two million, one thousand, one hundred two".