11221100212201 has 16 divisors (see below), whose sum is σ = 12531748272768. Its totient is φ = 9961643952000.

The previous prime is 11221100212193. The next prime is 11221100212219. The reversal of 11221100212201 is 10221200112211.

It is a cyclic number.

It is not a de Polignac number, because 11221100212201 - 2³ = 11221100212193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221100212501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69096981 + ... + 69259186.

It is an arithmetic number, because the mean of its divisors is an integer number (783234267048).

Almost surely, 2^{11221100212201} is an apocalyptic number.

11221100212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221100212201 is a deficient number, since it is larger than the sum of its proper divisors (1310648060567).

11221100212201 is a wasteful number, since it uses less digits than its factorization.

11221100212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138356352.

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

Adding to 11221100212201 its reverse (10221200112211), we get a palindrome (21442300324412).

The spelling of 11221100212201 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, two hundred twelve thousand, two hundred one".