121322021031313 has 16 divisors (see below), whose sum is σ = 125720216899200. Its totient is φ = 116938155196800.

The previous prime is 121322021031287. The next prime is 121322021031391. The reversal of 121322021031313 is 313130120223121.

It is not a de Polignac number, because 121322021031313 - 2³⁷ = 121184582077841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121322021631313) 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, 403208958 + ... + 403509736.

It is an arithmetic number, because the mean of its divisors is an integer number (7857513556200).

Almost surely, 2^{121322021031313} is an apocalyptic number.

It is an amenable number.

121322021031313 is a deficient number, since it is larger than the sum of its proper divisors (4398195867887).

121322021031313 is a wasteful number, since it uses less digits than its factorization.

121322021031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324552.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121322021031313 its reverse (313130120223121), we get a palindrome (434452141254434).

The spelling of 121322021031313 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, twenty-one million, thirty-one thousand, three hundred thirteen".