21122223003003 has 12 divisors (see below), whose sum is σ = 29917058649080. Its totient is φ = 13253159530752.

The previous prime is 21122223002981. The next prime is 21122223003041. The reversal of 21122223003003 is 30030032222112.

It is a happy number.

It is not a de Polignac number, because 21122223003003 - 2⁶ = 21122223002939 is a prime.

It is a super-2 number, since 2×21122223003003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122223003073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12181211938 + ... + 12181213671.

Almost surely, 2^{21122223003003} is an apocalyptic number.

21122223003003 is a deficient number, since it is larger than the sum of its proper divisors (8794835646077).

21122223003003 is a wasteful number, since it uses less digits than its factorization.

21122223003003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24362425646 (or 24362425629 counting only the distinct ones).

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

Adding to 21122223003003 its reverse (30030032222112), we get a palindrome (51152255225115).

The spelling of 21122223003003 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred twenty-three million, three thousand, three".