11001212211102 has 16 divisors (see below), whose sum is σ = 22005358560000. Its totient is φ = 3666581714072.

The previous prime is 11001212210987. The next prime is 11001212211161. The reversal of 11001212211102 is 20111221210011.

It is a happy number.

It is a super-2 number, since 2×11001212211102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122206998 + ... + 122296985.

It is an arithmetic number, because the mean of its divisors is an integer number (1375334910000).

Almost surely, 2^{11001212211102} is an apocalyptic number.

11001212211102 is an abundant number, since it is smaller than the sum of its proper divisors (11004146348898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001212211102 is a wasteful number, since it uses less digits than its factorization.

11001212211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244511487.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001212211102 its reverse (20111221210011), we get a palindrome (31112433421113).

The spelling of 11001212211102 in words is "eleven trillion, one billion, two hundred twelve million, two hundred eleven thousand, one hundred two".