12100222222021 has 8 divisors (see below), whose sum is σ = 12898304835200. Its totient is φ = 11318262490080.

The previous prime is 12100222221961. The next prime is 12100222222043. The reversal of 12100222222021 is 12022222200121.

12100222222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12100222222021 - 2²⁷ = 12100088004293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100222222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100222822021) 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, 4030718760 + ... + 4030721761.

It is an arithmetic number, because the mean of its divisors is an integer number (1612288104400).

Almost surely, 2^{12100222222021} is an apocalyptic number.

It is an amenable number.

12100222222021 is a deficient number, since it is larger than the sum of its proper divisors (798082613179).

12100222222021 is an equidigital number, since it uses as much as digits as its factorization.

12100222222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061440619.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12100222222021 its reverse (12022222200121), we get a palindrome (24122444422142).

The spelling of 12100222222021 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-one".