1111351033421 has 8 divisors (see below), whose sum is σ = 1124850543264. Its totient is φ = 1097854136560.

The previous prime is 1111351033391. The next prime is 1111351033423. The reversal of 1111351033421 is 1243301531111.

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 1111351033421 - 2⁶ = 1111351033357 is a prime.

It is a super-2 number, since 2×1111351033421² (a number of 25 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 (1111351033423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209435 + ... + 1505511.

It is an arithmetic number, because the mean of its divisors is an integer number (140606317908).

Almost surely, 2^{1111351033421} is an apocalyptic number.

It is an amenable number.

1111351033421 is a deficient number, since it is larger than the sum of its proper divisors (13499509843).

1111351033421 is a wasteful number, since it uses less digits than its factorization.

1111351033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306491.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 1111351033421 its reverse (1243301531111), we get a palindrome (2354652564532).

The spelling of 1111351033421 in words is "one trillion, one hundred eleven billion, three hundred fifty-one million, thirty-three thousand, four hundred twenty-one".