2211312230121 has 8 divisors (see below), whose sum is σ = 2948482447200. Its totient is φ = 1474175083232.

The previous prime is 2211312230089. The next prime is 2211312230129. The reversal of 2211312230121 is 1210322131122.

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 2211312230121 - 2⁵ = 2211312230089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211312230129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8111100 + ... + 8379293.

It is an arithmetic number, because the mean of its divisors is an integer number (368560305900).

Almost surely, 2^{2211312230121} is an apocalyptic number.

It is an amenable number.

2211312230121 is a deficient number, since it is larger than the sum of its proper divisors (737170217079).

2211312230121 is a wasteful number, since it uses less digits than its factorization.

2211312230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16535095.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2211312230121 its reverse (1210322131122), we get a palindrome (3421634361243).

The spelling of 2211312230121 in words is "two trillion, two hundred eleven billion, three hundred twelve million, two hundred thirty thousand, one hundred twenty-one".