11101012211321 has 16 divisors (see below), whose sum is σ = 11785812885504. Its totient is φ = 10419750019584.

The previous prime is 11101012211281. The next prime is 11101012211327. The reversal of 11101012211321 is 12311221010111.

It is a cyclic number.

It is not a de Polignac number, because 11101012211321 - 2¹⁸ = 11101011949177 is a prime.

It is a super-3 number, since 3×11101012211321³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 11101012211321.

It is not an unprimeable number, because it can be changed into a prime (11101012211327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74300525 + ... + 74449781.

It is an arithmetic number, because the mean of its divisors is an integer number (736613305344).

Almost surely, 2^{11101012211321} is an apocalyptic number.

It is an amenable number.

11101012211321 is a deficient number, since it is larger than the sum of its proper divisors (684800674183).

11101012211321 is a wasteful number, since it uses less digits than its factorization.

11101012211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161080.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11101012211321 its reverse (12311221010111), we get a palindrome (23412233221432).

The spelling of 11101012211321 in words is "eleven trillion, one hundred one billion, twelve million, two hundred eleven thousand, three hundred twenty-one".