11321421321041 has 32 divisors (see below), whose sum is σ = 12478200311808. Its totient is φ = 10206451031040.

The previous prime is 11321421321029. The next prime is 11321421321061. The reversal of 11321421321041 is 14012312412311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11321421321041 - 2³⁸ = 11046543414097 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 11321421321041.

It is not an unprimeable number, because it can be changed into a prime (11321421321061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736249145 + ... + 736264521.

It is an arithmetic number, because the mean of its divisors is an integer number (389943759744).

Almost surely, 2^{11321421321041} is an apocalyptic number.

It is an amenable number.

11321421321041 is a deficient number, since it is larger than the sum of its proper divisors (1156778990767).

11321421321041 is a wasteful number, since it uses less digits than its factorization.

11321421321041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17921.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 11321421321041 its reverse (14012312412311), we get a palindrome (25333733733352).

The spelling of 11321421321041 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, forty-one".