111020013300121 has 4 divisors (see below), whose sum is σ = 111240729032832. Its totient is φ = 110799297567412.

The previous prime is 111020013300113. The next prime is 111020013300137. The reversal of 111020013300121 is 121003310020111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111020013300121 - 2³ = 111020013300113 is a prime.

It is a super-2 number, since 2×111020013300121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111020013300095 and 111020013300104.

It is not an unprimeable number, because it can be changed into a prime (111020013300181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110357865601 + ... + 110357866606.

It is an arithmetic number, because the mean of its divisors is an integer number (27810182258208).

Almost surely, 2^{111020013300121} is an apocalyptic number.

It is an amenable number.

111020013300121 is a deficient number, since it is larger than the sum of its proper divisors (220715732711).

111020013300121 is an equidigital number, since it uses as much as digits as its factorization.

111020013300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220715732710.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111020013300121 its reverse (121003310020111), we get a palindrome (232023323320232).

The spelling of 111020013300121 in words is "one hundred eleven trillion, twenty billion, thirteen million, three hundred thousand, one hundred twenty-one".