2101011212 has 12 divisors (see below), whose sum is σ = 3692968440. Its totient is φ = 1045877376.

The previous prime is 2101011179. The next prime is 2101011217. The reversal of 2101011212 is 2121101012.

It is a super-3 number, since 3×2101011212³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2101011193 and 2101011202.

It is not an unprimeable number, because it can be changed into a prime (2101011217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156037 + ... + 1157852.

It is an arithmetic number, because the mean of its divisors is an integer number (307747370).

Almost surely, 2^2101011212 is an apocalyptic number.

It is an amenable number.

2101011212 is a deficient number, since it is larger than the sum of its proper divisors (1591957228).

2101011212 is a wasteful number, since it uses less digits than its factorization.

2101011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314120 (or 2314118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2101011212 is about 45836.7888491330. The cubic root of 2101011212 is about 1280.7846775627.

Adding to 2101011212 its reverse (2121101012), we get a palindrome (4222112224).

The spelling of 2101011212 in words is "two billion, one hundred one million, eleven thousand, two hundred twelve".