2211200002121 has 32 divisors (see below), whose sum is σ = 2577610937088. Its totient is φ = 1876925290240.

The previous prime is 2211200002117. The next prime is 2211200002127. The reversal of 2211200002121 is 1212000021122.

It is not a de Polignac number, because 2211200002121 - 2² = 2211200002117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211200002096 and 2211200002105.

It is not an unprimeable number, because it can be changed into a prime (2211200002127) 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 31 ways as a sum of consecutive naturals, for example, 2223035 + ... + 3060111.

It is an arithmetic number, because the mean of its divisors is an integer number (80550341784).

Almost surely, 2^{2211200002121} is an apocalyptic number.

It is an amenable number.

2211200002121 is a deficient number, since it is larger than the sum of its proper divisors (366410934967).

2211200002121 is a wasteful number, since it uses less digits than its factorization.

2211200002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837361.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2211200002121 its reverse (1212000021122), we get a palindrome (3423200023243).

The spelling of 2211200002121 in words is "two trillion, two hundred eleven billion, two hundred million, two thousand, one hundred twenty-one".