21420103022 has 8 divisors (see below), whose sum is σ = 32131408296. Its totient is φ = 10709633592.

The previous prime is 21420103009. The next prime is 21420103039. The reversal of 21420103022 is 22030102412.

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, 140393 + ... + 250100.

It is an arithmetic number, because the mean of its divisors is an integer number (4016426037).

Almost surely, 2^21420103022 is an apocalyptic number.

21420103022 is a deficient number, since it is larger than the sum of its proper divisors (10711305274).

21420103022 is a wasteful number, since it uses less digits than its factorization.

21420103022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417922.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21420103022 its reverse (22030102412), we get a palindrome (43450205434).

The spelling of 21420103022 in words is "twenty-one billion, four hundred twenty million, one hundred three thousand, twenty-two".