121232011320321 has 64 divisors (see below), whose sum is σ = 191149755088896. Its totient is φ = 67579146835200.

The previous prime is 121232011320313. The next prime is 121232011320331. The reversal of 121232011320321 is 123023110232121.

It is not a de Polignac number, because 121232011320321 - 2³ = 121232011320313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121232011320291 and 121232011320300.

It is not an unprimeable number, because it can be changed into a prime (121232011320331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12715026 + ... + 20103131.

It is an arithmetic number, because the mean of its divisors is an integer number (2986714923264).

Almost surely, 2^{121232011320321} is an apocalyptic number.

121232011320321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121232011320321 is a deficient number, since it is larger than the sum of its proper divisors (69917743768575).

121232011320321 is a wasteful number, since it uses less digits than its factorization.

121232011320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32818382.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121232011320321 its reverse (123023110232121), we get a palindrome (244255121552442).

The spelling of 121232011320321 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, eleven million, three hundred twenty thousand, three hundred twenty-one".