10211100011212 has 24 divisors (see below), whose sum is σ = 18920994561504. Its totient is φ = 4805115117312.

The previous prime is 10211100011197. The next prime is 10211100011269. The reversal of 10211100011212 is 21211000111201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10211100011192 and 10211100011201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382793 + ... + 4725919.

It is an arithmetic number, because the mean of its divisors is an integer number (788374773396).

Almost surely, 2^{10211100011212} is an apocalyptic number.

It is an amenable number.

10211100011212 is a deficient number, since it is larger than the sum of its proper divisors (8709894550292).

10211100011212 is a wasteful number, since it uses less digits than its factorization.

10211100011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388065 (or 3388063 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10211100011212 its reverse (21211000111201), we get a palindrome (31422100122413).

The spelling of 10211100011212 in words is "ten trillion, two hundred eleven billion, one hundred million, eleven thousand, two hundred twelve".