10221121220001 has 8 divisors (see below), whose sum is σ = 13748764827360. Its totient is φ = 6753779212992.

The previous prime is 10221121219997. The next prime is 10221121220003. The reversal of 10221121220001 is 10002212112201.

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

It is not a de Polignac number, because 10221121220001 - 2² = 10221121219997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221121220003) 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, 15075399691 + ... + 15075400368.

It is an arithmetic number, because the mean of its divisors is an integer number (1718595603420).

Almost surely, 2^{10221121220001} is an apocalyptic number.

It is an amenable number.

10221121220001 is a deficient number, since it is larger than the sum of its proper divisors (3527643607359).

10221121220001 is a wasteful number, since it uses less digits than its factorization.

10221121220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30150800175.

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

Adding to 10221121220001 its reverse (10002212112201), we get a palindrome (20223333332202).

The spelling of 10221121220001 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty thousand, one".