2121102311322 has 32 divisors (see below), whose sum is σ = 4293501230592. Its totient is φ = 698485406384.

The previous prime is 2121102311297. The next prime is 2121102311323. The reversal of 2121102311322 is 2231132011212.

It is not an unprimeable number, because it can be changed into a prime (2121102311323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13420723 + ... + 13577849.

It is an arithmetic number, because the mean of its divisors is an integer number (134171913456).

Almost surely, 2^{2121102311322} is an apocalyptic number.

2121102311322 is an abundant number, since it is smaller than the sum of its proper divisors (2172398919270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121102311322 is a wasteful number, since it uses less digits than its factorization.

2121102311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184322.

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

Adding to 2121102311322 its reverse (2231132011212), we get a palindrome (4352234322534).

The spelling of 2121102311322 in words is "two trillion, one hundred twenty-one billion, one hundred two million, three hundred eleven thousand, three hundred twenty-two".