21223021114 has 8 divisors (see below), whose sum is σ = 31859080308. Its totient is φ = 10603327680.

The previous prime is 21223021091. The next prime is 21223021117. The reversal of 21223021114 is 41112032212.

It can be written as a sum of positive squares in 2 ways, for example, as 21142614025 + 80407089 = 145405^2 + 8967^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21223021091 and 21223021100.

It is not an unprimeable number, because it can be changed into a prime (21223021117) 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, 4088197 + ... + 4093384.

Almost surely, 2^21223021114 is an apocalyptic number.

21223021114 is a deficient number, since it is larger than the sum of its proper divisors (10636059194).

21223021114 is a wasteful number, since it uses less digits than its factorization.

21223021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182880.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21223021114 its reverse (41112032212), we get a palindrome (62335053326).

The spelling of 21223021114 in words is "twenty-one billion, two hundred twenty-three million, twenty-one thousand, one hundred fourteen".