12100222022021 has 8 divisors (see below), whose sum is σ = 13864931764224. Its totient is φ = 10344538928880.

The previous prime is 12100222021997. The next prime is 12100222022089. The reversal of 12100222022021 is 12022022200121.

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 a de Polignac number, because none of the positive numbers 2^k-12100222022021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100222022821) 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, 2256659390 + ... + 2256664751.

It is an arithmetic number, because the mean of its divisors is an integer number (1733116470528).

Almost surely, 2^{12100222022021} is an apocalyptic number.

It is an amenable number.

12100222022021 is a deficient number, since it is larger than the sum of its proper divisors (1764709742203).

12100222022021 is an equidigital number, since it uses as much as digits as its factorization.

12100222022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513324531.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12100222022021 its reverse (12022022200121), we get a palindrome (24122244222142).

The spelling of 12100222022021 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, twenty-two thousand, twenty-one".