2201122331121 has 64 divisors (see below), whose sum is σ = 3474613108736. Its totient is φ = 1213223961600.

The previous prime is 2201122331011. The next prime is 2201122331153. The reversal of 2201122331121 is 1211332211022.

It is not a de Polignac number, because 2201122331121 - 2¹³ = 2201122322929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2201122331171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41731956 + ... + 41784666.

It is an arithmetic number, because the mean of its divisors is an integer number (54290829824).

Almost surely, 2^{2201122331121} is an apocalyptic number.

2201122331121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2201122331121 is a deficient number, since it is larger than the sum of its proper divisors (1273490777615).

2201122331121 is a wasteful number, since it uses less digits than its factorization.

2201122331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53222.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2201122331121 its reverse (1211332211022), we get a palindrome (3412454542143).

The spelling of 2201122331121 in words is "two trillion, two hundred one billion, one hundred twenty-two million, three hundred thirty-one thousand, one hundred twenty-one".