101201020021200 has 480 divisors, whose sum is σ = 373072746816000. Its totient is φ = 23191895808000.

The previous prime is 101201020021187. The next prime is 101201020021207. The reversal of 101201020021200 is 2120020102101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201020021207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 115181151 + ... + 116056449.

It is an arithmetic number, because the mean of its divisors is an integer number (777234889200).

Almost surely, 2^{101201020021200} is an apocalyptic number.

101201020021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101201020021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186536373408000).

101201020021200 is an abundant number, since it is smaller than the sum of its proper divisors (271871726794800).

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

101201020021200 is a wasteful number, since it uses less digits than its factorization.

101201020021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875811 (or 875800 counting only the distinct ones).

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

Adding to 101201020021200 its reverse (2120020102101), we get a palindrome (103321040123301).

The spelling of 101201020021200 in words is "one hundred one trillion, two hundred one billion, twenty million, twenty-one thousand, two hundred".