2011020002021 has 8 divisors (see below), whose sum is σ = 2015966327424. Its totient is φ = 2006074481040.

The previous prime is 2011020002011. The next prime is 2011020002107. The reversal of 2011020002021 is 1202000201102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011020002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011020001993 and 2011020002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011020002011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4967960 + ... + 5357486.

It is an arithmetic number, because the mean of its divisors is an integer number (251995790928).

Almost surely, 2^{2011020002021} is an apocalyptic number.

It is an amenable number.

2011020002021 is a deficient number, since it is larger than the sum of its proper divisors (4946325403).

2011020002021 is a wasteful number, since it uses less digits than its factorization.

2011020002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402211.

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

Adding to 2011020002021 its reverse (1202000201102), we get a palindrome (3213020203123).

The spelling of 2011020002021 in words is "two trillion, eleven billion, twenty million, two thousand, twenty-one".