2201102212121 has 8 divisors (see below), whose sum is σ = 2330593171200. Its totient is φ = 2071612848448.

The previous prime is 2201102212063. The next prime is 2201102212157. The reversal of 2201102212121 is 1212122011022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201102212121 - 2²² = 2201098017817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201102212121.

It is not an unprimeable number, because it can be changed into a prime (2201102212181) 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 7 ways as a sum of consecutive naturals, for example, 3570140 + ... + 4141026.

It is an arithmetic number, because the mean of its divisors is an integer number (291324146400).

Almost surely, 2^{2201102212121} is an apocalyptic number.

It is an amenable number.

2201102212121 is a deficient number, since it is larger than the sum of its proper divisors (129490959079).

2201102212121 is a wasteful number, since it uses less digits than its factorization.

2201102212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797703.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2201102212121 its reverse (1212122011022), we get a palindrome (3413224223143).

It can be divided in two parts, 22011022 and 12121, that multiplied together give a palindrome (266795597662).

The spelling of 2201102212121 in words is "two trillion, two hundred one billion, one hundred two million, two hundred twelve thousand, one hundred twenty-one".