21023113022 has 8 divisors (see below), whose sum is σ = 31604904000. Its totient is φ = 10488145024.

The previous prime is 21023113003. The next prime is 21023113031. The reversal of 21023113022 is 22031132012.

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

It is a super-2 number, since 2×21023113022² (a number of 21 digits) contains 22 as substring.

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, 11704622 + ... + 11706417.

It is an arithmetic number, because the mean of its divisors is an integer number (3950613000).

Almost surely, 2^21023113022 is an apocalyptic number.

21023113022 is a deficient number, since it is larger than the sum of its proper divisors (10581790978).

21023113022 is a wasteful number, since it uses less digits than its factorization.

21023113022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23411490.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21023113022 its reverse (22031132012), we get a palindrome (43054245034).

The spelling of 21023113022 in words is "twenty-one billion, twenty-three million, one hundred thirteen thousand, twenty-two".