2021210102000 has 80 divisors (see below), whose sum is σ = 4949150793600. Its totient is φ = 798250003200.

The previous prime is 2021210101991. The next prime is 2021210102003. The reversal of 2021210102000 is 2010121202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021210102003) 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, 6238235 + ... + 6554234.

It is an arithmetic number, because the mean of its divisors is an integer number (61864384920).

Almost surely, 2^{2021210102000} is an apocalyptic number.

2021210102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021210102000 is an abundant number, since it is smaller than the sum of its proper divisors (2927940691600).

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

2021210102000 is a wasteful number, since it uses less digits than its factorization.

2021210102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792571 (or 12792555 counting only the distinct ones).

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

Adding to 2021210102000 its reverse (2010121202), we get a palindrome (2023220223202).

The spelling of 2021210102000 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred two thousand".