12121001102222 has 8 divisors (see below), whose sum is σ = 18479559057672. Its totient is φ = 5961148083000.

The previous prime is 12121001102219. The next prime is 12121001102251. The reversal of 12121001102222 is 22220110012121.

12121001102222 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 self number, because there is not a number n which added to its sum of digits gives 12121001102222.

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, 49676233904 + ... + 49676234147.

It is an arithmetic number, because the mean of its divisors is an integer number (2309944882209).

Almost surely, 2^{12121001102222} is an apocalyptic number.

12121001102222 is a deficient number, since it is larger than the sum of its proper divisors (6358557955450).

12121001102222 is an equidigital number, since it uses as much as digits as its factorization.

12121001102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99352468114.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12121001102222 its reverse (22220110012121), we get a palindrome (34341111114343).

The spelling of 12121001102222 in words is "twelve trillion, one hundred twenty-one billion, one million, one hundred two thousand, two hundred twenty-two".