21100210020302 has 8 divisors (see below), whose sum is σ = 36171788606256. Its totient is φ = 9042947151552.

The previous prime is 21100210020301. The next prime is 21100210020317. The reversal of 21100210020302 is 20302001200112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1507157858593 = 21100210020302 / (2 + 1 + 1 + 0 + 0 + 2 + 1 + 0 + 0 + 2 + 0 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100210020301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753578929283 + ... + 753578929310.

It is an arithmetic number, because the mean of its divisors is an integer number (4521473575782).

Almost surely, 2^{21100210020302} is an apocalyptic number.

21100210020302 is a deficient number, since it is larger than the sum of its proper divisors (15071578585954).

21100210020302 is a wasteful number, since it uses less digits than its factorization.

21100210020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507157858602.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21100210020302 its reverse (20302001200112), we get a palindrome (41402211220414).

The spelling of 21100210020302 in words is "twenty-one trillion, one hundred billion, two hundred ten million, twenty thousand, three hundred two".