2021101010000 has 50 divisors (see below), whose sum is σ = 4893287679522. Its totient is φ = 808440400000.

The previous prime is 2021101009999. The next prime is 2021101010017. The reversal of 2021101010000 is 101011202.

It can be written as a sum of positive squares in 5 ways, for example, as 1079122060864 + 941978949136 = 1038808^2 + 970556^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2021101010000.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 101045051 + ... + 101065050.

Almost surely, 2^{2021101010000} is an apocalyptic number.

2021101010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021101010000 is an abundant number, since it is smaller than the sum of its proper divisors (2872186669522).

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

2021101010000 is an equidigital number, since it uses as much as digits as its factorization.

2021101010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202110129 (or 202110108 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2021101010000 its reverse (101011202), we get a palindrome (2021202021202).

The spelling of 2021101010000 in words is "two trillion, twenty-one billion, one hundred one million, ten thousand".