2100021220202 has 8 divisors (see below), whose sum is σ = 3150038872800. Its totient is φ = 1050008262604.

The previous prime is 2100021220133. The next prime is 2100021220207. The reversal of 2100021220202 is 2020221200012.

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

It is not an unprimeable number, because it can be changed into a prime (2100021220207) 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, 329549 + ... + 2075727.

It is an arithmetic number, because the mean of its divisors is an integer number (393754859100).

Almost surely, 2^{2100021220202} is an apocalyptic number.

2100021220202 is a deficient number, since it is larger than the sum of its proper divisors (1050017652598).

2100021220202 is a wasteful number, since it uses less digits than its factorization.

2100021220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347500.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2100021220202 its reverse (2020221200012), we get a palindrome (4120242420214).

The spelling of 2100021220202 in words is "two trillion, one hundred billion, twenty-one million, two hundred twenty thousand, two hundred two".