2121200011122 has 8 divisors (see below), whose sum is σ = 4242400022256. Its totient is φ = 707066670372.

The previous prime is 2121200011111. The next prime is 2121200011123. The reversal of 2121200011122 is 2211100021212.

It is a sphenic number, since it is the product of 3 distinct primes.

2121200011122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2121200011123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176766667588 + ... + 176766667599.

It is an arithmetic number, because the mean of its divisors is an integer number (530300002782).

Almost surely, 2^{2121200011122} is an apocalyptic number.

2121200011122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121200011122 is a wasteful number, since it uses less digits than its factorization.

2121200011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353533335192.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2121200011122 its reverse (2211100021212), we get a palindrome (4332300032334).

The spelling of 2121200011122 in words is "two trillion, one hundred twenty-one billion, two hundred million, eleven thousand, one hundred twenty-two".