141101115521221 has 4 divisors (see below), whose sum is σ = 141101230834444. Its totient is φ = 141101000208000.

The previous prime is 141101115521207. The next prime is 141101115521251. The reversal of 141101115521221 is 122125511101141.

It is a happy number.

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 60998364921025 + 80102750600196 = 7810145^2 + 8950014^2 .

It is a cyclic number.

It is not a de Polignac number, because 141101115521221 - 2²¹ = 141101113424069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141101115521221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141101115521251) 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, 55801260 + ... + 58275061.

It is an arithmetic number, because the mean of its divisors is an integer number (35275307708611).

Almost surely, 2^{141101115521221} is an apocalyptic number.

It is an amenable number.

141101115521221 is a deficient number, since it is larger than the sum of its proper divisors (115313223).

141101115521221 is a wasteful number, since it uses less digits than its factorization.

141101115521221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115313222.

The product of its (nonzero) digits is 800, while the sum is 28.

Adding to 141101115521221 its reverse (122125511101141), we get a palindrome (263226626622362).

The spelling of 141101115521221 in words is "one hundred forty-one trillion, one hundred one billion, one hundred fifteen million, five hundred twenty-one thousand, two hundred twenty-one".