101200100202 has 24 divisors (see below), whose sum is σ = 220207952484. Its totient is φ = 33588586944.

The previous prime is 101200100201. The next prime is 101200100227. The reversal of 101200100202 is 202001002101.

It can be written as a sum of positive squares in 2 ways, for example, as 97218616401 + 3981483801 = 311799^2 + 63099^2 .

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 (101200100201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12060673 + ... + 12069060.

Almost surely, 2^101200100202 is an apocalyptic number.

101200100202 is an abundant number, since it is smaller than the sum of its proper divisors (119007852282).

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

101200100202 is a wasteful number, since it uses less digits than its factorization.

101200100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24129974 (or 24129971 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101200100202 its reverse (202001002101), we get a palindrome (303201102303).

The spelling of 101200100202 in words is "one hundred one billion, two hundred million, one hundred thousand, two hundred two".