21023312022003 has 32 divisors (see below), whose sum is σ = 29700428060160. Its totient is φ = 13182008209920.

The previous prime is 21023312021963. The next prime is 21023312022007. The reversal of 21023312022003 is 30022021332012.

It is a happy number.

It is not a de Polignac number, because 21023312022003 - 2¹⁰ = 21023312020979 is a prime.

It is a super-2 number, since 2×21023312022003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21023312022007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529975176 + ... + 530014842.

It is an arithmetic number, because the mean of its divisors is an integer number (928138376880).

Almost surely, 2^{21023312022003} is an apocalyptic number.

21023312022003 is a deficient number, since it is larger than the sum of its proper divisors (8677116038157).

21023312022003 is a wasteful number, since it uses less digits than its factorization.

21023312022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46587.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21023312022003 its reverse (30022021332012), we get a palindrome (51045333354015).

The spelling of 21023312022003 in words is "twenty-one trillion, twenty-three billion, three hundred twelve million, twenty-two thousand, three".