1222432110021 has 8 divisors (see below), whose sum is σ = 1635051151584. Its totient is φ = 812383904240.

The previous prime is 1222432110019. The next prime is 1222432110091. The reversal of 1222432110021 is 1200112342221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1222432110021 - 2¹ = 1222432110019 is a prime.

It is a super-2 number, since 2×1222432110021² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222432110021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222432110091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642707835 + ... + 642709736.

It is an arithmetic number, because the mean of its divisors is an integer number (204381393948).

Almost surely, 2^{1222432110021} is an apocalyptic number.

It is an amenable number.

1222432110021 is a deficient number, since it is larger than the sum of its proper divisors (412619041563).

1222432110021 is a wasteful number, since it uses less digits than its factorization.

1222432110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285417891.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1222432110021 its reverse (1200112342221), we get a palindrome (2422544452242).

The spelling of 1222432110021 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-two million, one hundred ten thousand, twenty-one".