11201210212 has 12 divisors (see below), whose sum is σ = 20278053180. Its totient is φ = 5407480736.

The previous prime is 11201210131. The next prime is 11201210213. The reversal of 11201210212 is 21201210211.

It can be written as a sum of positive squares in 2 ways, for example, as 9569534976 + 1631675236 = 97824^2 + 40394^2 .

It is a super-2 number, since 2×11201210212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11201210192 and 11201210201.

It is not an unprimeable number, because it can be changed into a prime (11201210213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48280963 + ... + 48281194.

It is an arithmetic number, because the mean of its divisors is an integer number (1689837765).

Almost surely, 2^11201210212 is an apocalyptic number.

It is an amenable number.

11201210212 is a deficient number, since it is larger than the sum of its proper divisors (9076842968).

11201210212 is a wasteful number, since it uses less digits than its factorization.

11201210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96562190 (or 96562188 counting only the distinct ones).

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

Adding to 11201210212 its reverse (21201210211), we get a palindrome (32402420423).

Subtracting 11201210212 from its reverse (21201210211), we obtain a palindrome (9999999999).

The spelling of 11201210212 in words is "eleven billion, two hundred one million, two hundred ten thousand, two hundred twelve".