21101230022 has 8 divisors (see below), whose sum is σ = 31653417816. Its totient is φ = 10550090752.

The previous prime is 21101230019. The next prime is 21101230063. The reversal of 21101230022 is 22003210112.

It is a happy number.

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 = 21101229979 and 21101230006.

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, 209723 + ... + 293574.

It is an arithmetic number, because the mean of its divisors is an integer number (3956677227).

Almost surely, 2^21101230022 is an apocalyptic number.

21101230022 is a deficient number, since it is larger than the sum of its proper divisors (10552187794).

21101230022 is a wasteful number, since it uses less digits than its factorization.

21101230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524262.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21101230022 its reverse (22003210112), we get a palindrome (43104440134).

The spelling of 21101230022 in words is "twenty-one billion, one hundred one million, two hundred thirty thousand, twenty-two".