200020101120121 has 16 divisors (see below), whose sum is σ = 206738828755200. Its totient is φ = 193404039357568.

The previous prime is 200020101120113. The next prime is 200020101120181. The reversal of 200020101120121 is 121021101020002.

It is a cyclic number.

It is not a de Polignac number, because 200020101120121 - 2³ = 200020101120113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020101120181) 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, 880299195 + ... + 880526383.

It is an arithmetic number, because the mean of its divisors is an integer number (12921176797200).

Almost surely, 2^{200020101120121} is an apocalyptic number.

It is an amenable number.

200020101120121 is a deficient number, since it is larger than the sum of its proper divisors (6718727635079).

200020101120121 is a wasteful number, since it uses less digits than its factorization.

200020101120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453008.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200020101120121 its reverse (121021101020002), we get a palindrome (321041202140123).

The spelling of 200020101120121 in words is "two hundred trillion, twenty billion, one hundred one million, one hundred twenty thousand, one hundred twenty-one".