10011010221021 has 8 divisors (see below), whose sum is σ = 13353943452064. Its totient is φ = 6671041902000.

The previous prime is 10011010221019. The next prime is 10011010221031. The reversal of 10011010221021 is 12012201011001.

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

It is not a de Polignac number, because 10011010221021 - 2¹ = 10011010221019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011010220988 and 10011010221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011010221031) 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, 741220126 + ... + 741233631.

It is an arithmetic number, because the mean of its divisors is an integer number (1669242931508).

Almost surely, 2^{10011010221021} is an apocalyptic number.

It is an amenable number.

10011010221021 is a deficient number, since it is larger than the sum of its proper divisors (3342933231043).

10011010221021 is a wasteful number, since it uses less digits than its factorization.

10011010221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482456011.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10011010221021 its reverse (12012201011001), we get a palindrome (22023211232022).

The spelling of 10011010221021 in words is "ten trillion, eleven billion, ten million, two hundred twenty-one thousand, twenty-one".