10221211221001 has 8 divisors (see below), whose sum is σ = 11291556700800. Its totient is φ = 9174389817840.

The previous prime is 10221211220963. The next prime is 10221211221007. The reversal of 10221211221001 is 10012211212201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221211221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221211221007) 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, 5881018246 + ... + 5881019983.

It is an arithmetic number, because the mean of its divisors is an integer number (1411444587600).

Almost surely, 2^{10221211221001} is an apocalyptic number.

10221211221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221211221001 is a deficient number, since it is larger than the sum of its proper divisors (1070345479799).

10221211221001 is a wasteful number, since it uses less digits than its factorization.

10221211221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11762038319.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221211221001 its reverse (10012211212201), we get a palindrome (20233422433202).

The spelling of 10221211221001 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-one thousand, one".