10356221001 has 48 divisors (see below), whose sum is σ = 16817371200. Its totient is φ = 5644743552.

The previous prime is 10356220841. The next prime is 10356221009. The reversal of 10356221001 is 10012265301.

It is not a de Polignac number, because 10356221001 - 2⁹ = 10356220489 is a prime.

It is a super-3 number, since 3×10356221001³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10356221009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339195 + ... + 368463.

It is an arithmetic number, because the mean of its divisors is an integer number (350361900).

Almost surely, 2^10356221001 is an apocalyptic number.

It is an amenable number.

10356221001 is a deficient number, since it is larger than the sum of its proper divisors (6461150199).

10356221001 is a wasteful number, since it uses less digits than its factorization.

10356221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29398 (or 29391 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 10356221001 its reverse (10012265301), we get a palindrome (20368486302).

The spelling of 10356221001 in words is "ten billion, three hundred fifty-six million, two hundred twenty-one thousand, one".