2212010121 has 16 divisors (see below), whose sum is σ = 3000710720. Its totient is φ = 1449040320.

The previous prime is 2212010093. The next prime is 2212010149. The reversal of 2212010121 is 1210102122.

It is an interprime number because it is at equal distance from previous prime (2212010093) and next prime (2212010149).

It is not a de Polignac number, because 2212010121 - 2⁶ = 2212010057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2212010097 and 2212010106.

It is not an unprimeable number, because it can be changed into a prime (2212010161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194490 + ... + 205548.

It is an arithmetic number, because the mean of its divisors is an integer number (187544420).

Almost surely, 2^2212010121 is an apocalyptic number.

It is an amenable number.

2212010121 is a deficient number, since it is larger than the sum of its proper divisors (788700599).

2212010121 is a wasteful number, since it uses less digits than its factorization.

2212010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12216.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2212010121 is about 47032.0116622710. The cubic root of 2212010121 is about 1302.9538592932.

Adding to 2212010121 its reverse (1210102122), we get a palindrome (3422112243).

The spelling of 2212010121 in words is "two billion, two hundred twelve million, ten thousand, one hundred twenty-one".