2211002202121 has 8 divisors (see below), whose sum is σ = 2316786013440. Its totient is φ = 2106022830912.

The previous prime is 2211002202119. The next prime is 2211002202131. The reversal of 2211002202121 is 1212022001122.

It is a happy number.

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

It is not a de Polignac number, because 2211002202121 - 2¹ = 2211002202119 is a prime.

It is a super-2 number, since 2×2211002202121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211002202095 and 2211002202104.

It is not an unprimeable number, because it can be changed into a prime (2211002202131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201104400 + ... + 201115393.

It is an arithmetic number, because the mean of its divisors is an integer number (289598251680).

Almost surely, 2^{2211002202121} is an apocalyptic number.

It is an amenable number.

2211002202121 is a deficient number, since it is larger than the sum of its proper divisors (105783811319).

2211002202121 is a wasteful number, since it uses less digits than its factorization.

2211002202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402220055.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211002202121 its reverse (1212022001122), we get a palindrome (3423024203243).

The spelling of 2211002202121 in words is "two trillion, two hundred eleven billion, two million, two hundred two thousand, one hundred twenty-one".