2112022200121 has 16 divisors (see below), whose sum is σ = 2211767451648. Its totient is φ = 2014276597200.

The previous prime is 2112022200077. The next prime is 2112022200151. The reversal of 2112022200121 is 1210022202112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2112022200121 - 2²³ = 2112013811513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112022200095 and 2112022200104.

It is not an unprimeable number, because it can be changed into a prime (2112022200151) 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, 5189776 + ... + 5581918.

It is an arithmetic number, because the mean of its divisors is an integer number (138235465728).

Almost surely, 2^{2112022200121} is an apocalyptic number.

It is an amenable number.

2112022200121 is a deficient number, since it is larger than the sum of its proper divisors (99745251527).

2112022200121 is a wasteful number, since it uses less digits than its factorization.

2112022200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394692.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2112022200121 its reverse (1210022202112), we get a palindrome (3322044402233).

The spelling of 2112022200121 in words is "two trillion, one hundred twelve billion, twenty-two million, two hundred thousand, one hundred twenty-one".