120001112201020 has 24 divisors (see below), whose sum is σ = 265265616445200. Its totient is φ = 45474105676032.

The previous prime is 120001112200979. The next prime is 120001112201021. The reversal of 120001112201020 is 20102211100021.

It is a super-2 number, since 2×120001112201020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001112201021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157896199885 + ... + 157896200644.

It is an arithmetic number, because the mean of its divisors is an integer number (11052734018550).

Almost surely, 2^{120001112201020} is an apocalyptic number.

120001112201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001112201020 is an abundant number, since it is smaller than the sum of its proper divisors (145264504244180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120001112201020 is a wasteful number, since it uses less digits than its factorization.

120001112201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315792400557 (or 315792400555 counting only the distinct ones).

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

Adding to 120001112201020 its reverse (20102211100021), we get a palindrome (140103323301041).

The spelling of 120001112201020 in words is "one hundred twenty trillion, one billion, one hundred twelve million, two hundred one thousand, twenty".