21223041302 has 8 divisors (see below), whose sum is σ = 31846365000. Its totient is φ = 10607586304.

The previous prime is 21223041277. The next prime is 21223041311. The reversal of 21223041302 is 20314032212.

21223041302 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960427 + ... + 1971222.

It is an arithmetic number, because the mean of its divisors is an integer number (3980795625).

Almost surely, 2^21223041302 is an apocalyptic number.

21223041302 is a deficient number, since it is larger than the sum of its proper divisors (10623323698).

21223041302 is a wasteful number, since it uses less digits than its factorization.

21223041302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934350.

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

Adding to 21223041302 its reverse (20314032212), we get a palindrome (41537073514).

The spelling of 21223041302 in words is "twenty-one billion, two hundred twenty-three million, forty-one thousand, three hundred two".