10001200022421 has 8 divisors (see below), whose sum is σ = 13335799835904. Its totient is φ = 6667033445280.

The previous prime is 10001200022417. The next prime is 10001200022461. The reversal of 10001200022421 is 12422000210001.

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

It is not a de Polignac number, because 10001200022421 - 2² = 10001200022417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10001200022421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001200022461) 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, 108255216 + ... + 108347561.

It is an arithmetic number, because the mean of its divisors is an integer number (1666974979488).

Almost surely, 2^{10001200022421} is an apocalyptic number.

It is an amenable number.

10001200022421 is a deficient number, since it is larger than the sum of its proper divisors (3334599813483).

10001200022421 is a wasteful number, since it uses less digits than its factorization.

10001200022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216618171.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10001200022421 its reverse (12422000210001), we get a palindrome (22423200232422).

The spelling of 10001200022421 in words is "ten trillion, one billion, two hundred million, twenty-two thousand, four hundred twenty-one".