121123211322 has 64 divisors (see below), whose sum is σ = 250744725504. Its totient is φ = 38976344640.

The previous prime is 121123211269. The next prime is 121123211323. The reversal of 121123211322 is 223112321121.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121123211323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15392433 + ... + 15400299.

It is an arithmetic number, because the mean of its divisors is an integer number (3917886336).

Almost surely, 2^121123211322 is an apocalyptic number.

121123211322 is an abundant number, since it is smaller than the sum of its proper divisors (129621514182).

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

121123211322 is a wasteful number, since it uses less digits than its factorization.

121123211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443.

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

Adding to 121123211322 its reverse (223112321121), we get a palindrome (344235532443).

The spelling of 121123211322 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred eleven thousand, three hundred twenty-two".