121011220022201 has 4 divisors (see below), whose sum is σ = 123585926831232. Its totient is φ = 118436513213172.

The previous prime is 121011220022183. The next prime is 121011220022213. The reversal of 121011220022201 is 102220022110121.

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 121011220022201 - 2¹⁴ = 121011220005817 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 121011220022201.

It is not an unprimeable number, because it can be changed into a prime (121011220022501) 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, 1287353404445 + ... + 1287353404538.

It is an arithmetic number, because the mean of its divisors is an integer number (30896481707808).

Almost surely, 2^{121011220022201} is an apocalyptic number.

It is an amenable number.

121011220022201 is a deficient number, since it is larger than the sum of its proper divisors (2574706809031).

121011220022201 is an equidigital number, since it uses as much as digits as its factorization.

121011220022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574706809030.

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

Adding to 121011220022201 its reverse (102220022110121), we get a palindrome (223231242132322).

The spelling of 121011220022201 in words is "one hundred twenty-one trillion, eleven billion, two hundred twenty million, twenty-two thousand, two hundred one".