11421020141 has 8 divisors (see below), whose sum is σ = 11553795000. Its totient is φ = 11288344320.

The previous prime is 11421020113. The next prime is 11421020153. The reversal of 11421020141 is 14102012411.

It can be written as a sum of positive squares in 4 ways, for example, as 1570457641 + 9850562500 = 39629^2 + 99250^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11421020141 - 2¹⁰ = 11421019117 is a prime.

It is a super-2 number, since 2×11421020141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221321 + ... + 268001.

It is an arithmetic number, because the mean of its divisors is an integer number (1444224375).

Almost surely, 2^11421020141 is an apocalyptic number.

It is an amenable number.

11421020141 is a deficient number, since it is larger than the sum of its proper divisors (132774859).

11421020141 is an equidigital number, since it uses as much as digits as its factorization.

11421020141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49519.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11421020141 its reverse (14102012411), we get a palindrome (25523032552).

The spelling of 11421020141 in words is "eleven billion, four hundred twenty-one million, twenty thousand, one hundred forty-one".