21102232212022 has 8 divisors (see below), whose sum is σ = 34088221265616. Its totient is φ = 9739491790152.

The previous prime is 21102232211981. The next prime is 21102232212041. The reversal of 21102232212022 is 22021223220112.

It is a happy number.

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

It is a super-2 number, since 2×21102232212022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21102232211984 and 21102232212002.

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, 405812157898 + ... + 405812157949.

It is an arithmetic number, because the mean of its divisors is an integer number (4261027658202).

Almost surely, 2^{21102232212022} is an apocalyptic number.

21102232212022 is a deficient number, since it is larger than the sum of its proper divisors (12985989053594).

21102232212022 is a wasteful number, since it uses less digits than its factorization.

21102232212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811624315862.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21102232212022 its reverse (22021223220112), we get a palindrome (43123455432134).

The spelling of 21102232212022 in words is "twenty-one trillion, one hundred two billion, two hundred thirty-two million, two hundred twelve thousand, twenty-two".