2021102010200 has 144 divisors (see below), whose sum is σ = 5886737599680. Its totient is φ = 639645431040.

The previous prime is 2021102010149. The next prime is 2021102010203. The reversal of 2021102010200 is 20102011202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021102010203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7804712 + ... + 8059511.

It is an arithmetic number, because the mean of its divisors is an integer number (40880122220).

Almost surely, 2^{2021102010200} is an apocalyptic number.

2021102010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021102010200 is an abundant number, since it is smaller than the sum of its proper divisors (3865635589480).

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

2021102010200 is a wasteful number, since it uses less digits than its factorization.

2021102010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15864266 (or 15864250 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021102010200 its reverse (20102011202), we get a palindrome (2041204021402).

The spelling of 2021102010200 in words is "two trillion, twenty-one billion, one hundred two million, ten thousand, two hundred".