2021102102212 has 24 divisors (see below), whose sum is σ = 3692335147200. Its totient is φ = 966187940256.

The previous prime is 2021102102197. The next prime is 2021102102213. The reversal of 2021102102212 is 2122012011202.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 4632262 + ... + 5049757.

It is an arithmetic number, because the mean of its divisors is an integer number (153847297800).

Almost surely, 2^{2021102102212} is an apocalyptic number.

It is an amenable number.

2021102102212 is a deficient number, since it is larger than the sum of its proper divisors (1671233044988).

2021102102212 is a wasteful number, since it uses less digits than its factorization.

2021102102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684315 (or 9684313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021102102212 its reverse (2122012011202), we get a palindrome (4143114113414).

The spelling of 2021102102212 in words is "two trillion, twenty-one billion, one hundred two million, one hundred two thousand, two hundred twelve".