21003320223301 has 16 divisors (see below), whose sum is σ = 23046452263296. Its totient is φ = 19021281304896.

The previous prime is 21003320223293. The next prime is 21003320223323. The reversal of 21003320223301 is 10332202330012.

It is not a de Polignac number, because 21003320223301 - 2³ = 21003320223293 is a prime.

It is a super-2 number, since 2×21003320223301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003320223701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22417816 + ... + 23335918.

It is an arithmetic number, because the mean of its divisors is an integer number (1440403266456).

Almost surely, 2^{21003320223301} is an apocalyptic number.

It is an amenable number.

21003320223301 is a deficient number, since it is larger than the sum of its proper divisors (2043132039995).

21003320223301 is a wasteful number, since it uses less digits than its factorization.

21003320223301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951372.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21003320223301 its reverse (10332202330012), we get a palindrome (31335522553313).

The spelling of 21003320223301 in words is "twenty-one trillion, three billion, three hundred twenty million, two hundred twenty-three thousand, three hundred one".