121020022112321 has 4 divisors (see below), whose sum is σ = 121020072211392. Its totient is φ = 121019972013252.

The previous prime is 121020022112309. The next prime is 121020022112357. The reversal of 121020022112321 is 123211220020121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121020022112321 - 2⁴² = 116621975601217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121020022112293 and 121020022112302.

It is not an unprimeable number, because it can be changed into a prime (121020022111321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21232205 + ... + 26321978.

It is an arithmetic number, because the mean of its divisors is an integer number (30255018052848).

Almost surely, 2^{121020022112321} is an apocalyptic number.

It is an amenable number.

121020022112321 is a deficient number, since it is larger than the sum of its proper divisors (50099071).

121020022112321 is an equidigital number, since it uses as much as digits as its factorization.

121020022112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50099070.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121020022112321 its reverse (123211220020121), we get a palindrome (244231242132442).

The spelling of 121020022112321 in words is "one hundred twenty-one trillion, twenty billion, twenty-two million, one hundred twelve thousand, three hundred twenty-one".