120020122012121 has 4 divisors (see below), whose sum is σ = 120020146981392. Its totient is φ = 120020097042852.

The previous prime is 120020122012103. The next prime is 120020122012123. The reversal of 120020122012121 is 121210221020021.

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 120020122012121 - 2¹⁴ = 120020121995737 is a prime.

It is a super-3 number, since 3×120020122012121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120020122012121.

It is not an unprimeable number, because it can be changed into a prime (120020122012123) 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, 2738411 + ... + 15733376.

It is an arithmetic number, because the mean of its divisors is an integer number (30005036745348).

Almost surely, 2^{120020122012121} is an apocalyptic number.

It is an amenable number.

120020122012121 is a deficient number, since it is larger than the sum of its proper divisors (24969271).

120020122012121 is an equidigital number, since it uses as much as digits as its factorization.

120020122012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24969270.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120020122012121 its reverse (121210221020021), we get a palindrome (241230343032142).

The spelling of 120020122012121 in words is "one hundred twenty trillion, twenty billion, one hundred twenty-two million, twelve thousand, one hundred twenty-one".