12212122022101 has 4 divisors (see below), whose sum is σ = 12216924274752. Its totient is φ = 12207319769452.

The previous prime is 12212122022083. The next prime is 12212122022117. The reversal of 12212122022101 is 10122022121221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12212122022101 - 2¹¹ = 12212122020053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212122026101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401122511 + ... + 2401127596.

It is an arithmetic number, because the mean of its divisors is an integer number (3054231068688).

Almost surely, 2^{12212122022101} is an apocalyptic number.

It is an amenable number.

12212122022101 is a deficient number, since it is larger than the sum of its proper divisors (4802252651).

12212122022101 is an equidigital number, since it uses as much as digits as its factorization.

12212122022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802252650.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212122022101 its reverse (10122022121221), we get a palindrome (22334144143322).

The spelling of 12212122022101 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-two million, twenty-two thousand, one hundred one".