10211120212 has 12 divisors (see below), whose sum is σ = 17879783796. Its totient is φ = 5102610560.

The previous prime is 10211120209. The next prime is 10211120323. The reversal of 10211120212 is 21202111201.

It can be written as a sum of positive squares in 2 ways, for example, as 6235313296 + 3975806916 = 78964^2 + 63054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211120192 and 10211120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729589 + ... + 743452.

It is an arithmetic number, because the mean of its divisors is an integer number (1489981983).

Almost surely, 2^10211120212 is an apocalyptic number.

It is an amenable number.

10211120212 is a deficient number, since it is larger than the sum of its proper divisors (7668663584).

10211120212 is a wasteful number, since it uses less digits than its factorization.

10211120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474778 (or 1474776 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211120212 its reverse (21202111201), we get a palindrome (31413231413).

The spelling of 10211120212 in words is "ten billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".