101201200120 has 16 divisors (see below), whose sum is σ = 227702700360. Its totient is φ = 40480480032.

The previous prime is 101201200099. The next prime is 101201200129. The reversal of 101201200120 is 21002102101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101201200097 and 101201200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201200129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265014962 + ... + 1265015041.

Almost surely, 2^101201200120 is an apocalyptic number.

101201200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201200120 is an abundant number, since it is smaller than the sum of its proper divisors (126501500240).

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

101201200120 is a wasteful number, since it uses less digits than its factorization.

101201200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530030014 (or 2530030010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101201200120 its reverse (21002102101), we get a palindrome (122203302221).

The spelling of 101201200120 in words is "one hundred one billion, two hundred one million, two hundred thousand, one hundred twenty".