4121220120101 has 4 divisors (see below), whose sum is σ = 4709965851552. Its totient is φ = 3532474388652.

The previous prime is 4121220120079. The next prime is 4121220120179. The reversal of 4121220120101 is 1010210221214.

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 4121220120101 - 2³⁸ = 3846342213157 is a prime.

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 4121220120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121220120191) 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, 294372865715 + ... + 294372865728.

It is an arithmetic number, because the mean of its divisors is an integer number (1177491462888).

Almost surely, 2^{4121220120101} is an apocalyptic number.

It is an amenable number.

4121220120101 is a deficient number, since it is larger than the sum of its proper divisors (588745731451).

4121220120101 is an equidigital number, since it uses as much as digits as its factorization.

4121220120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588745731450.

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

Adding to 4121220120101 its reverse (1010210221214), we get a palindrome (5131430341315).

The spelling of 4121220120101 in words is "four trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, one hundred one".