10011031322021 has 12 divisors (see below), whose sum is σ = 10634733453060. Its totient is φ = 9421989696000.

The previous prime is 10011031322003. The next prime is 10011031322053. The reversal of 10011031322021 is 12022313011001.

It can be written as a sum of positive squares in 6 ways, for example, as 4640276056900 + 5370755265121 = 2154130^2 + 2317489^2 .

It is not a de Polignac number, because 10011031322021 - 2⁶ = 10011031321957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011031322221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19335521 + ... + 19846521.

It is an arithmetic number, because the mean of its divisors is an integer number (886227787755).

Almost surely, 2^{10011031322021} is an apocalyptic number.

It is an amenable number.

10011031322021 is a deficient number, since it is larger than the sum of its proper divisors (623702131039).

10011031322021 is an equidigital number, since it uses as much as digits as its factorization.

10011031322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578824 (or 578807 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10011031322021 its reverse (12022313011001), we get a palindrome (22033344333022).

The spelling of 10011031322021 in words is "ten trillion, eleven billion, thirty-one million, three hundred twenty-two thousand, twenty-one".