12220010100121 has 4 divisors (see below), whose sum is σ = 12277924840144. Its totient is φ = 12162095360100.

The previous prime is 12220010100101. The next prime is 12220010100131. The reversal of 12220010100121 is 12100101002221.

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 12220010100121 - 2⁴³ = 3423917077913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220010100101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28957369695 + ... + 28957370116.

It is an arithmetic number, because the mean of its divisors is an integer number (3069481210036).

Almost surely, 2^{12220010100121} is an apocalyptic number.

It is an amenable number.

12220010100121 is a deficient number, since it is larger than the sum of its proper divisors (57914740023).

12220010100121 is an equidigital number, since it uses as much as digits as its factorization.

12220010100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57914740022.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12220010100121 its reverse (12100101002221), we get a palindrome (24320111102342).

The spelling of 12220010100121 in words is "twelve trillion, two hundred twenty billion, ten million, one hundred thousand, one hundred twenty-one".