10442211021 has 12 divisors (see below), whose sum is σ = 16454393280. Its totient is φ = 6328612680.

The previous prime is 10442211001. The next prime is 10442211029. The reversal of 10442211021 is 12011224401.

10442211021 is a `hidden beast` number, since 10 + 442 + 211 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 10442211021 - 2¹⁸ = 10441948877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10442210985 and 10442211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10442211029) 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, 52738341 + ... + 52738538.

It is an arithmetic number, because the mean of its divisors is an integer number (1371199440).

Almost surely, 2^10442211021 is an apocalyptic number.

10442211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10442211021 is a deficient number, since it is larger than the sum of its proper divisors (6012182259).

10442211021 is a wasteful number, since it uses less digits than its factorization.

10442211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105476896 (or 105476893 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10442211021 its reverse (12011224401), we get a palindrome (22453435422).

The spelling of 10442211021 in words is "ten billion, four hundred forty-two million, two hundred eleven thousand, twenty-one".