10021021020011 has 8 divisors (see below), whose sum is σ = 10435822065024. Its totient is φ = 9611941368960.

The previous prime is 10021021019983. The next prime is 10021021020061. The reversal of 10021021020011 is 11002012012001.

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 10021021020011 - 2²² = 10021016825707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021021019974 and 10021021020001.

It is not an unprimeable number, because it can be changed into a prime (10021021020061) 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, 1430344916 + ... + 1430351921.

It is an arithmetic number, because the mean of its divisors is an integer number (1304477758128).

Almost surely, 2^{10021021020011} is an apocalyptic number.

10021021020011 is a deficient number, since it is larger than the sum of its proper divisors (414801045013).

10021021020011 is a wasteful number, since it uses less digits than its factorization.

10021021020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860696981.

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

Adding to 10021021020011 its reverse (11002012012001), we get a palindrome (21023033032012).

The spelling of 10021021020011 in words is "ten trillion, twenty-one billion, twenty-one million, twenty thousand, eleven".