2201121220011 has 32 divisors (see below), whose sum is σ = 3448217776128. Its totient is φ = 1222554072960.

The previous prime is 2201121220003. The next prime is 2201121220031. The reversal of 2201121220011 is 1100221211022.

It is not a de Polignac number, because 2201121220011 - 2³ = 2201121220003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201121220031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659280 + ... + 2199293.

It is an arithmetic number, because the mean of its divisors is an integer number (107756805504).

Almost surely, 2^{2201121220011} is an apocalyptic number.

2201121220011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2201121220011 is a deficient number, since it is larger than the sum of its proper divisors (1247096556117).

2201121220011 is a wasteful number, since it uses less digits than its factorization.

2201121220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859611.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201121220011 its reverse (1100221211022), we get a palindrome (3301342431033).

The spelling of 2201121220011 in words is "two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty thousand, eleven".