21223002013002 has 48 divisors (see below), whose sum is σ = 46457720618400. Its totient is φ = 7001384508000.

The previous prime is 21223002013001. The next prime is 21223002013027. The reversal of 21223002013002 is 20031020032212.

21223002013002 is a `hidden beast` number, since 21 + 22 + 300 + 20 + 1 + 300 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21223002013001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1962249 + ... + 6804147.

It is an arithmetic number, because the mean of its divisors is an integer number (967869179550).

Almost surely, 2^{21223002013002} is an apocalyptic number.

21223002013002 is an abundant number, since it is smaller than the sum of its proper divisors (25234718605398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21223002013002 is a wasteful number, since it uses less digits than its factorization.

21223002013002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844419 (or 4844416 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21223002013002 its reverse (20031020032212), we get a palindrome (41254022045214).

The spelling of 21223002013002 in words is "twenty-one trillion, two hundred twenty-three billion, two million, thirteen thousand, two".