101011120200 has 384 divisors, whose sum is σ = 369225475200. Its totient is φ = 25294602240.

The previous prime is 101011120181. The next prime is 101011120207. The reversal of 101011120200 is 2021110101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101011120207) 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, 52967647 + ... + 52969553.

It is an arithmetic number, because the mean of its divisors is an integer number (961524675).

Almost surely, 2^101011120200 is an apocalyptic number.

101011120200 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 101011120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184612737600).

101011120200 is an abundant number, since it is smaller than the sum of its proper divisors (268214355000).

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

101011120200 is a wasteful number, since it uses less digits than its factorization.

101011120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526 (or 2511 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101011120200 its reverse (2021110101), we get a palindrome (103032230301).

The spelling of 101011120200 in words is "one hundred one billion, eleven million, one hundred twenty thousand, two hundred".