11212221001210 has 32 divisors (see below), whose sum is σ = 20246614464384. Its totient is φ = 4470549192000.

The previous prime is 11212221001183. The next prime is 11212221001211. The reversal of 11212221001210 is 1210012221211.

It is not an unprimeable number, because it can be changed into a prime (11212221001211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3223915 + ... + 5728705.

It is an arithmetic number, because the mean of its divisors is an integer number (632706702012).

Almost surely, 2^{11212221001210} is an apocalyptic number.

11212221001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212221001210 is a deficient number, since it is larger than the sum of its proper divisors (9034393463174).

11212221001210 is a wasteful number, since it uses less digits than its factorization.

11212221001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506230.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212221001210 its reverse (1210012221211), we get a palindrome (12422233222421).

It can be divided in two parts, 11212221001 and 210, that added together give a palindrome (11212221211).

The spelling of 11212221001210 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-one million, one thousand, two hundred ten".