121020202222201 has 16 divisors (see below), whose sum is σ = 121427745753600. Its totient is φ = 120613179331008.

The previous prime is 121020202222189. The next prime is 121020202222219. The reversal of 121020202222201 is 102222202020121.

It is a cyclic number.

It is not a de Polignac number, because 121020202222201 - 2³⁵ = 120985842483833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121020202022201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5091930820 + ... + 5091954586.

It is an arithmetic number, because the mean of its divisors is an integer number (7589234109600).

Almost surely, 2^{121020202222201} is an apocalyptic number.

It is an amenable number.

121020202222201 is a deficient number, since it is larger than the sum of its proper divisors (407543531399).

121020202222201 is a wasteful number, since it uses less digits than its factorization.

121020202222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34008.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121020202222201 its reverse (102222202020121), we get a palindrome (223242404242322).

The spelling of 121020202222201 in words is "one hundred twenty-one trillion, twenty billion, two hundred two million, two hundred twenty-two thousand, two hundred one".