120021011020201 has 4 divisors (see below), whose sum is σ = 120021032943504. Its totient is φ = 120020989096900.

The previous prime is 120021011020153. The next prime is 120021011020291. The reversal of 120021011020201 is 102020110120021.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120021011020201 - 2¹³ = 120021011012009 is a prime.

It is a super-2 number, since 2×120021011020201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021011020291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4926066 + ... + 16257556.

It is an arithmetic number, because the mean of its divisors is an integer number (30005258235876).

Almost surely, 2^{120021011020201} is an apocalyptic number.

It is an amenable number.

120021011020201 is a deficient number, since it is larger than the sum of its proper divisors (21923303).

120021011020201 is a wasteful number, since it uses less digits than its factorization.

120021011020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21923302.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120021011020201 its reverse (102020110120021), we get a palindrome (222041121140222).

The spelling of 120021011020201 in words is "one hundred twenty trillion, twenty-one billion, eleven million, twenty thousand, two hundred one".