121101200222201 has 4 divisors (see below), whose sum is σ = 121123190639952. Its totient is φ = 121079209804452.

The previous prime is 121101200222117. The next prime is 121101200222227. The reversal of 121101200222201 is 102222002101121.

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 a de Polignac number, because none of the positive numbers 2^k-121101200222201 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 121101200222201.

It is not an unprimeable number, because it can be changed into a prime (121101200222501) 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, 10995200615 + ... + 10995211628.

It is an arithmetic number, because the mean of its divisors is an integer number (30280797659988).

Almost surely, 2^{121101200222201} is an apocalyptic number.

It is an amenable number.

121101200222201 is a deficient number, since it is larger than the sum of its proper divisors (21990417751).

121101200222201 is an equidigital number, since it uses as much as digits as its factorization.

121101200222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21990417750.

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

Adding to 121101200222201 its reverse (102222002101121), we get a palindrome (223323202323322).

The spelling of 121101200222201 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred million, two hundred twenty-two thousand, two hundred one".