220200120022121 has 16 divisors (see below), whose sum is σ = 223020260998080. Its totient is φ = 217397751024960.

The previous prime is 220200120022117. The next prime is 220200120022133. The reversal of 220200120022121 is 121220021002022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220200120022121 - 2² = 220200120022117 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 220200120022121.

It is not an unprimeable number, because it can be changed into a prime (220200120022111) 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, 556646426 + ... + 557041868.

It is an arithmetic number, because the mean of its divisors is an integer number (13938766312380).

Almost surely, 2^{220200120022121} is an apocalyptic number.

It is an amenable number.

220200120022121 is a deficient number, since it is larger than the sum of its proper divisors (2820140975959).

220200120022121 is a wasteful number, since it uses less digits than its factorization.

220200120022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417896.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220200120022121 its reverse (121220021002022), we get a palindrome (341420141024143).

The spelling of 220200120022121 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty million, twenty-two thousand, one hundred twenty-one".