10421022001 has 8 divisors (see below), whose sum is σ = 11227270824. Its totient is φ = 9615434880.

The previous prime is 10421021987. The next prime is 10421022011. The reversal of 10421022001 is 10022012401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 183629601 + 10237392400 = 13551^2 + 101180^2 .

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 10421022001 - 2¹⁷ = 10420890929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421022011) 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, 132466 + ... + 195931.

It is an arithmetic number, because the mean of its divisors is an integer number (1403408853).

Almost surely, 2^10421022001 is an apocalyptic number.

It is an amenable number.

10421022001 is a deficient number, since it is larger than the sum of its proper divisors (806248823).

10421022001 is a wasteful number, since it uses less digits than its factorization.

10421022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330851.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10421022001 its reverse (10022012401), we get a palindrome (20443034402).

The spelling of 10421022001 in words is "ten billion, four hundred twenty-one million, twenty-two thousand, one".