111230001030121 has 4 divisors (see below), whose sum is σ = 111230228466052. Its totient is φ = 111229773594192.

The previous prime is 111230001030119. The next prime is 111230001030133. The reversal of 111230001030121 is 121030100032111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67831037121600 + 43398963908521 = 8235960^2 + 6587789^2 .

It is a cyclic number.

It is not a de Polignac number, because 111230001030121 - 2¹ = 111230001030119 is a prime.

It is a super-2 number, since 2×111230001030121² (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 = 111230001030095 and 111230001030104.

It is not an unprimeable number, because it can be changed into a prime (111230001030151) 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, 112982790 + ... + 113963023.

It is an arithmetic number, because the mean of its divisors is an integer number (27807557116513).

Almost surely, 2^{111230001030121} is an apocalyptic number.

It is an amenable number.

111230001030121 is a deficient number, since it is larger than the sum of its proper divisors (227435931).

111230001030121 is an equidigital number, since it uses as much as digits as its factorization.

111230001030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227435930.

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

Adding to 111230001030121 its reverse (121030100032111), we get a palindrome (232260101062232).

The spelling of 111230001030121 in words is "one hundred eleven trillion, two hundred thirty billion, one million, thirty thousand, one hundred twenty-one".