10099020021 has 8 divisors (see below), whose sum is σ = 14050810560. Its totient is φ = 6439954752.

The previous prime is 10099019993. The next prime is 10099020037. The reversal of 10099020021 is 12002099001.

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

It is not a de Polignac number, because 10099020021 - 2¹⁵ = 10098987253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10099019973 and 10099020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10099020091) 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, 73181236 + ... + 73181373.

It is an arithmetic number, because the mean of its divisors is an integer number (1756351320).

Almost surely, 2^10099020021 is an apocalyptic number.

It is an amenable number.

10099020021 is a deficient number, since it is larger than the sum of its proper divisors (3951790539).

10099020021 is a wasteful number, since it uses less digits than its factorization.

10099020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146362635.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 10099020021 in words is "ten billion, ninety-nine million, twenty thousand, twenty-one".