11001221212010 has 32 divisors (see below), whose sum is σ = 20968401353472. Its totient is φ = 4141366001920.

The previous prime is 11001221212001. The next prime is 11001221212031. The reversal of 11001221212010 is 1021212210011.

11001221212010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511715 + ... + 4718505.

It is an arithmetic number, because the mean of its divisors is an integer number (655262542296).

Almost surely, 2^{11001221212010} is an apocalyptic number.

11001221212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001221212010 is a deficient number, since it is larger than the sum of its proper divisors (9967180141462).

11001221212010 is a wasteful number, since it uses less digits than its factorization.

11001221212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222198.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11001221212010 its reverse (1021212210011), we get a palindrome (12022433422021).

It can be divided in two parts, 1100122 and 1212010, that added together give a palindrome (2312132).

The spelling of 11001221212010 in words is "eleven trillion, one billion, two hundred twenty-one million, two hundred twelve thousand, ten".