2212110232121 has 8 divisors (see below), whose sum is σ = 2233378233504. Its totient is φ = 2190853232320.

The previous prime is 2212110232093. The next prime is 2212110232139. The reversal of 2212110232121 is 1212320112122.

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 2212110232121 - 2¹⁴ = 2212110215737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212110232093 and 2212110232102.

It is not an unprimeable number, because it can be changed into a prime (2212110232021) 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, 2346035 + ... + 3150888.

It is an arithmetic number, because the mean of its divisors is an integer number (279172279188).

Almost surely, 2^{2212110232121} is an apocalyptic number.

It is an amenable number.

2212110232121 is a deficient number, since it is larger than the sum of its proper divisors (21268001383).

2212110232121 is a wasteful number, since it uses less digits than its factorization.

2212110232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500791.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2212110232121 its reverse (1212320112122), we get a palindrome (3424430344243).

The spelling of 2212110232121 in words is "two trillion, two hundred twelve billion, one hundred ten million, two hundred thirty-two thousand, one hundred twenty-one".