121122031021321 has 8 divisors (see below), whose sum is σ = 133083722772000. Its totient is φ = 109318772274240.

The previous prime is 121122031021267. The next prime is 121122031021333. The reversal of 121122031021321 is 123120130221121.

It is a happy number.

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 121122031021321 - 2¹⁷ = 121122030890249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121122031021292 and 121122031021301.

It is not an unprimeable number, because it can be changed into a prime (121122431021321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39608249296 + ... + 39608252353.

It is an arithmetic number, because the mean of its divisors is an integer number (16635465346500).

Almost surely, 2^{121122031021321} is an apocalyptic number.

121122031021321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121122031021321 is a deficient number, since it is larger than the sum of its proper divisors (11961691750679).

121122031021321 is a wasteful number, since it uses less digits than its factorization.

121122031021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79216501799.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121122031021321 its reverse (123120130221121), we get a palindrome (244242161242442).

The spelling of 121122031021321 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, thirty-one million, twenty-one thousand, three hundred twenty-one".