21012022323002 has 8 divisors (see below), whose sum is σ = 31538620055712. Its totient is φ = 10499148971100.

The previous prime is 21012022323001. The next prime is 21012022323031. The reversal of 21012022323002 is 20032322021012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21012022323001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431091374 + ... + 3431097497.

It is an arithmetic number, because the mean of its divisors is an integer number (3942327506964).

Almost surely, 2^{21012022323002} is an apocalyptic number.

21012022323002 is a deficient number, since it is larger than the sum of its proper divisors (10526597732710).

21012022323002 is a wasteful number, since it uses less digits than its factorization.

21012022323002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862190404.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21012022323002 its reverse (20032322021012), we get a palindrome (41044344344014).

The spelling of 21012022323002 in words is "twenty-one trillion, twelve billion, twenty-two million, three hundred twenty-three thousand, two".