11001221100002 has 32 divisors (see below), whose sum is σ = 19259653906944. Its totient is φ = 4615117416000.

The previous prime is 11001221099993. The next prime is 11001221100029. The reversal of 11001221100002 is 20000112210011.

It is a super-2 number, since 2×11001221100002² (a number of 27 digits) contains 22 as substring.

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, 16880249 + ... + 17519852.

It is an arithmetic number, because the mean of its divisors is an integer number (601864184592).

Almost surely, 2^{11001221100002} is an apocalyptic number.

11001221100002 is a deficient number, since it is larger than the sum of its proper divisors (8258432806942).

11001221100002 is a wasteful number, since it uses less digits than its factorization.

11001221100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34400594.

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

Adding to 11001221100002 its reverse (20000112210011), we get a palindrome (31001333310013).

The spelling of 11001221100002 in words is "eleven trillion, one billion, two hundred twenty-one million, one hundred thousand, two".