2021001012010 has 128 divisors (see below), whose sum is σ = 3830608309248. Its totient is φ = 767024640000.

The previous prime is 2021001011999. The next prime is 2021001012031. The reversal of 2021001012010 is 102101001202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 819212797 + ... + 819215263.

It is an arithmetic number, because the mean of its divisors is an integer number (29926627416).

Almost surely, 2^{2021001012010} is an apocalyptic number.

2021001012010 is a deficient number, since it is larger than the sum of its proper divisors (1809607297238).

2021001012010 is a wasteful number, since it uses less digits than its factorization.

2021001012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021001012010 its reverse (102101001202), we get a palindrome (2123102013212).

The spelling of 2021001012010 in words is "two trillion, twenty-one billion, one million, twelve thousand, ten".