2021002111010 has 8 divisors (see below), whose sum is σ = 3637803799836. Its totient is φ = 808400844400.

The previous prime is 2021002110961. The next prime is 2021002111031. The reversal of 2021002111010 is 101112001202.

It can be written as a sum of positive squares in 2 ways, for example, as 2013393561481 + 7608549529 = 1418941^2 + 87227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2021002110982 and 2021002111000.

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 3 ways as a sum of consecutive naturals, for example, 101050105541 + ... + 101050105560.

Almost surely, 2^{2021002111010} is an apocalyptic number.

2021002111010 is a deficient number, since it is larger than the sum of its proper divisors (1616801688826).

2021002111010 is a wasteful number, since it uses less digits than its factorization.

2021002111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202100211108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2021002111010 its reverse (101112001202), we get a palindrome (2122114112212).

The spelling of 2021002111010 in words is "two trillion, twenty-one billion, two million, one hundred eleven thousand, ten".