2112102022121 has 8 divisors (see below), whose sum is σ = 2599510181184. Its totient is φ = 1671113687760.

The previous prime is 2112102022103. The next prime is 2112102022127. The reversal of 2112102022121 is 1212202012112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112102022121 - 2¹⁰ = 2112102021097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112102022121.

It is not an unprimeable number, because it can be changed into a prime (2112102022127) 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, 11604956075 + ... + 11604956256.

It is an arithmetic number, because the mean of its divisors is an integer number (324938772648).

Almost surely, 2^{2112102022121} is an apocalyptic number.

It is an amenable number.

2112102022121 is a deficient number, since it is larger than the sum of its proper divisors (487408159063).

2112102022121 is a wasteful number, since it uses less digits than its factorization.

2112102022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23209912351.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112102022121 its reverse (1212202012112), we get a palindrome (3324304034233).

The spelling of 2112102022121 in words is "two trillion, one hundred twelve billion, one hundred two million, twenty-two thousand, one hundred twenty-one".