2102232312121 has 8 divisors (see below), whose sum is σ = 2112157994240. Its totient is φ = 2092311082512.

The previous prime is 2102232312077. The next prime is 2102232312127. The reversal of 2102232312121 is 1212132322012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102232312121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102232312092 and 2102232312101.

It is not an unprimeable number, because it can be changed into a prime (2102232312127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164706 + ... + 2057083.

It is an arithmetic number, because the mean of its divisors is an integer number (264019749280).

Almost surely, 2^{2102232312121} is an apocalyptic number.

It is an amenable number.

2102232312121 is a deficient number, since it is larger than the sum of its proper divisors (9925682119).

2102232312121 is a wasteful number, since it uses less digits than its factorization.

2102232312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226255.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2102232312121 its reverse (1212132322012), we get a palindrome (3314364634133).

The spelling of 2102232312121 in words is "two trillion, one hundred two billion, two hundred thirty-two million, three hundred twelve thousand, one hundred twenty-one".