21350104222 has 4 divisors (see below), whose sum is σ = 32025156336. Its totient is φ = 10675052110.

The previous prime is 21350104201. The next prime is 21350104231. The reversal of 21350104222 is 22240105312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 21350104193 and 21350104202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5337526054 + ... + 5337526057.

It is an arithmetic number, because the mean of its divisors is an integer number (8006289084).

Almost surely, 2^21350104222 is an apocalyptic number.

21350104222 is a deficient number, since it is larger than the sum of its proper divisors (10675052114).

21350104222 is a wasteful number, since it uses less digits than its factorization.

21350104222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675052113.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 21350104222 its reverse (22240105312), we get a palindrome (43590209534).

The spelling of 21350104222 in words is "twenty-one billion, three hundred fifty million, one hundred four thousand, two hundred twenty-two".