10111000212 has 36 divisors (see below), whose sum is σ = 26249131636. Its totient is φ = 3279242880.

The previous prime is 10111000187. The next prime is 10111000231. The reversal of 10111000212 is 21200011101.

It is a happy number.

10111000212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4585456656 + 5525543556 = 67716^2 + 74334^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10111000194 and 10111000203.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3794089 + ... + 3796752.

Almost surely, 2^10111000212 is an apocalyptic number.

10111000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111000212 is an abundant number, since it is smaller than the sum of its proper divisors (16138131424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111000212 is a wasteful number, since it uses less digits than its factorization.

10111000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590888 (or 7590883 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10111000212 its reverse (21200011101), we get a palindrome (31311011313).

The spelling of 10111000212 in words is "ten billion, one hundred eleven million, two hundred twelve", and thus it is an aban number.