20101022441 has 4 divisors (see below), whose sum is σ = 20101872000. Its totient is φ = 20100172884.

The previous prime is 20101022429. The next prime is 20101022443. The reversal of 20101022441 is 14422010102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20101022441 - 2¹⁰ = 20101021417 is a prime.

It is a super-2 number, since 2×20101022441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101022443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388241 + ... + 436958.

It is an arithmetic number, because the mean of its divisors is an integer number (5025468000).

Almost surely, 2^20101022441 is an apocalyptic number.

It is an amenable number.

20101022441 is a deficient number, since it is larger than the sum of its proper divisors (849559).

20101022441 is an equidigital number, since it uses as much as digits as its factorization.

20101022441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849558.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20101022441 its reverse (14422010102), we get a palindrome (34523032543).

The spelling of 20101022441 in words is "twenty billion, one hundred one million, twenty-two thousand, four hundred forty-one".