10021100202 has 96 divisors (see below), whose sum is σ = 22593078144. Its totient is φ = 3207600000.

The previous prime is 10021100179. The next prime is 10021100237. The reversal of 10021100202 is 20200112001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25241868 + ... + 25242264.

It is an arithmetic number, because the mean of its divisors is an integer number (235344564).

Almost surely, 2^10021100202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021100202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11296539072).

10021100202 is an abundant number, since it is smaller than the sum of its proper divisors (12571977942).

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

10021100202 is a wasteful number, since it uses less digits than its factorization.

10021100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 841 counting only the distinct ones).

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

Adding to 10021100202 its reverse (20200112001), we get a palindrome (30221212203).

The spelling of 10021100202 in words is "ten billion, twenty-one million, one hundred thousand, two hundred two".