1011224442541 has 4 divisors (see below), whose sum is σ = 1021649436892. Its totient is φ = 1000799448192.

The previous prime is 1011224442511. The next prime is 1011224442587. The reversal of 1011224442541 is 1452444221101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 639800015625 + 371424426916 = 799875^2 + 609446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011224442541 - 2¹¹ = 1011224440493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011224442511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5212497030 + ... + 5212497223.

It is an arithmetic number, because the mean of its divisors is an integer number (255412359223).

Almost surely, 2^{1011224442541} is an apocalyptic number.

It is an amenable number.

1011224442541 is a deficient number, since it is larger than the sum of its proper divisors (10424994351).

1011224442541 is an equidigital number, since it uses as much as digits as its factorization.

1011224442541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424994350.

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 1011224442541 its reverse (1452444221101), we get a palindrome (2463668663642).

The spelling of 1011224442541 in words is "one trillion, eleven billion, two hundred twenty-four million, four hundred forty-two thousand, five hundred forty-one".