10111330342421 has 16 divisors (see below), whose sum is σ = 12609387450240. Its totient is φ = 7877050260480.

The previous prime is 10111330342417. The next prime is 10111330342433. The reversal of 10111330342421 is 12424303311101.

It is a cyclic number.

It is not a de Polignac number, because 10111330342421 - 2² = 10111330342417 is a prime.

It is a super-2 number, since 2×10111330342421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111330042421) 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, 15583736 + ... + 16219601.

It is an arithmetic number, because the mean of its divisors is an integer number (788086715640).

Almost surely, 2^{10111330342421} is an apocalyptic number.

10111330342421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10111330342421 is a deficient number, since it is larger than the sum of its proper divisors (2498057107819).

10111330342421 is a wasteful number, since it uses less digits than its factorization.

10111330342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31807484.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 10111330342421 its reverse (12424303311101), we get a palindrome (22535633653522).

The spelling of 10111330342421 in words is "ten trillion, one hundred eleven billion, three hundred thirty million, three hundred forty-two thousand, four hundred twenty-one".