2021001120011 has 8 divisors (see below), whose sum is σ = 2039679882240. Its totient is φ = 2002324857408.

The previous prime is 2021001120001. The next prime is 2021001120013. The reversal of 2021001120011 is 1100211001202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021001120011 - 2⁶ = 2021001119947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021001119974 and 2021001120001.

It is not an unprimeable number, because it can be changed into a prime (2021001120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019510 + ... + 2254196.

It is an arithmetic number, because the mean of its divisors is an integer number (254959985280).

Almost surely, 2^{2021001120011} is an apocalyptic number.

2021001120011 is a deficient number, since it is larger than the sum of its proper divisors (18678762229).

2021001120011 is a wasteful number, since it uses less digits than its factorization.

2021001120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249813.

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

Adding to 2021001120011 its reverse (1100211001202), we get a palindrome (3121212121213).

The spelling of 2021001120011 in words is "two trillion, twenty-one billion, one million, one hundred twenty thousand, eleven".