10100022001221 has 8 divisors (see below), whose sum is σ = 13469309392320. Its totient is φ = 6732041305472.

The previous prime is 10100022001217. The next prime is 10100022001247. The reversal of 10100022001221 is 12210022000101.

10100022001221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10100022001221 - 2² = 10100022001217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10100022001197 and 10100022001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100062001221) 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, 326655801 + ... + 326686718.

It is an arithmetic number, because the mean of its divisors is an integer number (1683663674040).

Almost surely, 2^{10100022001221} is an apocalyptic number.

It is an amenable number.

10100022001221 is a deficient number, since it is larger than the sum of its proper divisors (3369287391099).

10100022001221 is an equidigital number, since it uses as much as digits as its factorization.

10100022001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653347675.

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

Adding to 10100022001221 its reverse (12210022000101), we get a palindrome (22310044001322).

The spelling of 10100022001221 in words is "ten trillion, one hundred billion, twenty-two million, one thousand, two hundred twenty-one".