2122020200121 has 16 divisors (see below), whose sum is σ = 2927358010560. Its totient is φ = 1365695714880.

The previous prime is 2122020200093. The next prime is 2122020200123. The reversal of 2122020200121 is 1210020202212.

It is not a de Polignac number, because 2122020200121 - 2⁶ = 2122020200057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122020200121.

It is not an unprimeable number, because it can be changed into a prime (2122020200123) 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, 1214890 + ... + 2391651.

It is an arithmetic number, because the mean of its divisors is an integer number (182959875660).

Almost surely, 2^{2122020200121} is an apocalyptic number.

It is an amenable number.

2122020200121 is a deficient number, since it is larger than the sum of its proper divisors (805337810439).

2122020200121 is a wasteful number, since it uses less digits than its factorization.

2122020200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613336.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122020200121 its reverse (1210020202212), we get a palindrome (3332040402333).

The spelling of 2122020200121 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred thousand, one hundred twenty-one".