11001201221210 has 24 divisors (see below), whose sum is σ = 20899234902996. Its totient is φ = 4168876250880.

The previous prime is 11001201221189. The next prime is 11001201221299. The reversal of 11001201221210 is 1212210210011.

It can be written as a sum of positive squares in 2 ways, for example, as 10072631935081 + 928569286129 = 3173741^2 + 963623^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1523708471 + ... + 1523715690.

Almost surely, 2^{11001201221210} is an apocalyptic number.

11001201221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001201221210 is a deficient number, since it is larger than the sum of its proper divisors (9898033681786).

11001201221210 is a wasteful number, since it uses less digits than its factorization.

11001201221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047424206 (or 3047424187 counting only the distinct ones).

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

Adding to 11001201221210 its reverse (1212210210011), we get a palindrome (12213411431221).

The spelling of 11001201221210 in words is "eleven trillion, one billion, two hundred one million, two hundred twenty-one thousand, two hundred ten".