101021102200 has 96 divisors (see below), whose sum is σ = 238392554400. Its totient is φ = 39807221760.

The previous prime is 101021102177. The next prime is 101021102201. The reversal of 101021102200 is 2201120101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021102201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3963096 + ... + 3988504.

It is an arithmetic number, because the mean of its divisors is an integer number (2483255775).

Almost surely, 2^101021102200 is an apocalyptic number.

101021102200 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 101021102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119196277200).

101021102200 is an abundant number, since it is smaller than the sum of its proper divisors (137371452200).

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

101021102200 is a wasteful number, since it uses less digits than its factorization.

101021102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25721 (or 25712 counting only the distinct ones).

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

Adding to 101021102200 its reverse (2201120101), we get a palindrome (103222222301).

The spelling of 101021102200 in words is "one hundred one billion, twenty-one million, one hundred two thousand, two hundred".