11001212210 has 32 divisors (see below), whose sum is σ = 21105919872. Its totient is φ = 4114195200.

The previous prime is 11001212177. The next prime is 11001212219. The reversal of 11001212210 is 1221210011.

It is a junction number, because it is equal to n+sod(n) for n = 11001212191 and 11001212200.

It is not an unprimeable number, because it can be changed into a prime (11001212219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188612 + ... + 239951.

It is an arithmetic number, because the mean of its divisors is an integer number (659559996).

Almost surely, 2^11001212210 is an apocalyptic number.

11001212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001212210 is a deficient number, since it is larger than the sum of its proper divisors (10104707662).

11001212210 is a wasteful number, since it uses less digits than its factorization.

11001212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428738.

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

Adding to 11001212210 its reverse (1221210011), we get a palindrome (12222422221).

The spelling of 11001212210 in words is "eleven billion, one million, two hundred twelve thousand, two hundred ten".