121102220231322 has 128 divisors (see below), whose sum is σ = 272812810862592. Its totient is φ = 35520174950400.

The previous prime is 121102220231309. The next prime is 121102220231359. The reversal of 121102220231322 is 223132022201121.

It is a junction number, because it is equal to n+sod(n) for n = 121102220231292 and 121102220231301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1809001383 + ... + 1809068325.

It is an arithmetic number, because the mean of its divisors is an integer number (2131350084864).

Almost surely, 2^{121102220231322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121102220231322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136406405431296).

121102220231322 is an abundant number, since it is smaller than the sum of its proper divisors (151710590631270).

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

121102220231322 is a wasteful number, since it uses less digits than its factorization.

121102220231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72756.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121102220231322 its reverse (223132022201121), we get a palindrome (344234242432443).

The spelling of 121102220231322 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty million, two hundred thirty-one thousand, three hundred twenty-two".