10221201002001 has 8 divisors (see below), whose sum is σ = 14867201457504. Its totient is φ = 6194667273920.

The previous prime is 10221201001997. The next prime is 10221201002029. The reversal of 10221201002001 is 10020010212201.

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

It is a cyclic number.

It is not a de Polignac number, because 10221201002001 - 2² = 10221201001997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221201002801) 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, 154866681816 + ... + 154866681881.

It is an arithmetic number, because the mean of its divisors is an integer number (1858400182188).

Almost surely, 2^{10221201002001} is an apocalyptic number.

10221201002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221201002001 is a deficient number, since it is larger than the sum of its proper divisors (4646000455503).

10221201002001 is a wasteful number, since it uses less digits than its factorization.

10221201002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309733363711.

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

Adding to 10221201002001 its reverse (10020010212201), we get a palindrome (20241211214202).

The spelling of 10221201002001 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, two thousand, one".