2201221121011 has 12 divisors (see below), whose sum is σ = 2420045771976. Its totient is φ = 2000678604320.

The previous prime is 2201221121003. The next prime is 2201221121017. The reversal of 2201221121011 is 1101211221022.

It is not a de Polignac number, because 2201221121011 - 2³ = 2201221121003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201221121017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1397266 + ... + 2520871.

It is an arithmetic number, because the mean of its divisors is an integer number (201670480998).

Almost surely, 2^{2201221121011} is an apocalyptic number.

2201221121011 is a deficient number, since it is larger than the sum of its proper divisors (218824650965).

2201221121011 is a wasteful number, since it uses less digits than its factorization.

2201221121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922802 (or 3922791 counting only the distinct ones).

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

Adding to 2201221121011 its reverse (1101211221022), we get a palindrome (3302432342033).

It can be divided in two parts, 2201221 and 121011, that added together give a palindrome (2322232).

The spelling of 2201221121011 in words is "two trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, eleven".