11101021541 has 2 divisors, whose sum is σ = 11101021542. Its totient is φ = 11101021540.

The previous prime is 11101021523. The next prime is 11101021559. The reversal of 11101021541 is 14512010111.

It is a balanced prime because it is at equal distance from previous prime (11101021523) and next prime (11101021559).

It can be written as a sum of positive squares in only one way, i.e., 6232470916 + 4868550625 = 78946^2 + 69775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101021541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101021241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550510770 + 5550510771.

It is an arithmetic number, because the mean of its divisors is an integer number (5550510771).

Almost surely, 2^11101021541 is an apocalyptic number.

It is an amenable number.

11101021541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101021541 is an equidigital number, since it uses as much as digits as its factorization.

11101021541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11101021541 its reverse (14512010111), we get a palindrome (25613031652).

The spelling of 11101021541 in words is "eleven billion, one hundred one million, twenty-one thousand, five hundred forty-one".