899020021011 has 8 divisors (see below), whose sum is σ = 1369935270144. Its totient is φ = 513725726280.

The previous prime is 899020020961. The next prime is 899020021013. The reversal of 899020021011 is 110120020998.

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

It is not a de Polignac number, because 899020021011 - 2⁹ = 899020020499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (899020021013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21405238575 + ... + 21405238616.

It is an arithmetic number, because the mean of its divisors is an integer number (171241908768).

Almost surely, 2^899020021011 is an apocalyptic number.

899020021011 is a deficient number, since it is larger than the sum of its proper divisors (470915249133).

899020021011 is a wasteful number, since it uses less digits than its factorization.

899020021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42810477201.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 899020021011 in words is "eight hundred ninety-nine billion, twenty million, twenty-one thousand, eleven".