2201101022121 has 16 divisors (see below), whose sum is σ = 3108652187904. Its totient is φ = 1380542793984.

The previous prime is 2201101022117. The next prime is 2201101022147. The reversal of 2201101022121 is 1212201011022.

It is not a de Polignac number, because 2201101022121 - 2² = 2201101022117 is a prime.

It is a super-2 number, since 2×2201101022121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2201101022121.

It is not an unprimeable number, because it can be changed into a prime (2201101022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8308945 + ... + 8569758.

It is an arithmetic number, because the mean of its divisors is an integer number (194290761744).

Almost surely, 2^{2201101022121} is an apocalyptic number.

It is an amenable number.

2201101022121 is a deficient number, since it is larger than the sum of its proper divisors (907551165783).

2201101022121 is a wasteful number, since it uses less digits than its factorization.

2201101022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16881280.

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

Adding to 2201101022121 its reverse (1212201011022), we get a palindrome (3413302033143).

The spelling of 2201101022121 in words is "two trillion, two hundred one billion, one hundred one million, twenty-two thousand, one hundred twenty-one".