122020133321 has 4 divisors (see below), whose sum is σ = 122124336144. Its totient is φ = 121915930500.

The previous prime is 122020133311. The next prime is 122020133341. The reversal of 122020133321 is 123331020221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123331020221 = 619 ⋅199242359.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122020133321 is a prime.

It is a super-3 number, since 3×122020133321³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020133293 and 122020133302.

It is not an unprimeable number, because it can be changed into a prime (122020133311) 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, 52099655 + ... + 52101996.

It is an arithmetic number, because the mean of its divisors is an integer number (30531084036).

Almost surely, 2^122020133321 is an apocalyptic number.

It is an amenable number.

122020133321 is a deficient number, since it is larger than the sum of its proper divisors (104202823).

122020133321 is a wasteful number, since it uses less digits than its factorization.

122020133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104202822.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122020133321 its reverse (123331020221), we get a palindrome (245351153542).

The spelling of 122020133321 in words is "one hundred twenty-two billion, twenty million, one hundred thirty-three thousand, three hundred twenty-one".