121101202220101 has 4 divisors (see below), whose sum is σ = 121495668677152. Its totient is φ = 120706735763052.

The previous prime is 121101202220051. The next prime is 121101202220203. The reversal of 121101202220101 is 101022202101121.

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 121101202220101 - 2⁷ = 121101202219973 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 (121101202220501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197233228065 + ... + 197233228678.

It is an arithmetic number, because the mean of its divisors is an integer number (30373917169288).

Almost surely, 2^{121101202220101} is an apocalyptic number.

It is an amenable number.

121101202220101 is a deficient number, since it is larger than the sum of its proper divisors (394466457051).

121101202220101 is an equidigital number, since it uses as much as digits as its factorization.

121101202220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394466457050.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121101202220101 its reverse (101022202101121), we get a palindrome (222123404321222).

The spelling of 121101202220101 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred two million, two hundred twenty thousand, one hundred one".