120020020021101 has 16 divisors (see below), whose sum is σ = 160623698923584. Its totient is φ = 79715249754624.

The previous prime is 120020020021091. The next prime is 120020020021123. The reversal of 120020020021101 is 101120020020021.

It is not a de Polignac number, because 120020020021101 - 2⁶ = 120020020021037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020020121101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49548231 + ... + 51914036.

It is an arithmetic number, because the mean of its divisors is an integer number (10038981182724).

Almost surely, 2^{120020020021101} is an apocalyptic number.

It is an amenable number.

120020020021101 is a deficient number, since it is larger than the sum of its proper divisors (40603678902483).

120020020021101 is a wasteful number, since it uses less digits than its factorization.

120020020021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101463740.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120020020021101 its reverse (101120020020021), we get a palindrome (221140040041122).

It can be divided in two parts, 120020020021 and 101, that multiplied together give a palindrome (12122022022121).

The spelling of 120020020021101 in words is "one hundred twenty trillion, twenty billion, twenty million, twenty-one thousand, one hundred one".