2213121115101 has 16 divisors (see below), whose sum is σ = 3222572895360. Its totient is φ = 1342738703040.

The previous prime is 2213121115081. The next prime is 2213121115109. The reversal of 2213121115101 is 1015111213122.

It is not a de Polignac number, because 2213121115101 - 2¹³ = 2213121106909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213121115109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399621846 + ... + 399627383.

It is an arithmetic number, because the mean of its divisors is an integer number (201410805960).

Almost surely, 2^{2213121115101} is an apocalyptic number.

It is an amenable number.

2213121115101 is a deficient number, since it is larger than the sum of its proper divisors (1009451780259).

2213121115101 is a wasteful number, since it uses less digits than its factorization.

2213121115101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799249316.

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 2213121115101 its reverse (1015111213122), we get a palindrome (3228232328223).

The spelling of 2213121115101 in words is "two trillion, two hundred thirteen billion, one hundred twenty-one million, one hundred fifteen thousand, one hundred one".