2021102102210 has 32 divisors (see below), whose sum is σ = 3726639480960. Its totient is φ = 788780498688.

The previous prime is 2021102102197. The next prime is 2021102102213. The reversal of 2021102102210 is 122012011202.

It is not an unprimeable number, because it can be changed into a prime (2021102102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2162087 + ... + 2952426.

It is an arithmetic number, because the mean of its divisors is an integer number (116457483780).

Almost surely, 2^{2021102102210} is an apocalyptic number.

2021102102210 is a deficient number, since it is larger than the sum of its proper divisors (1705537378750).

2021102102210 is a wasteful number, since it uses less digits than its factorization.

2021102102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115482.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021102102210 its reverse (122012011202), we get a palindrome (2143114113412).

The spelling of 2021102102210 in words is "two trillion, twenty-one billion, one hundred two million, one hundred two thousand, two hundred ten".