1112210001121 has 8 divisors (see below), whose sum is σ = 1177720342920. Its totient is φ = 1046709239808.

The previous prime is 1112210001113. The next prime is 1112210001137. The reversal of 1112210001121 is 1211000122111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 351573100096 + 760636901025 = 592936^2 + 872145^2 .

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 1112210001121 - 2³ = 1112210001113 is a prime.

It is a super-2 number, since 2×1112210001121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112210008121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155416 + ... + 2621113.

It is an arithmetic number, because the mean of its divisors is an integer number (147215042865).

Almost surely, 2^{1112210001121} is an apocalyptic number.

It is an amenable number.

1112210001121 is a deficient number, since it is larger than the sum of its proper divisors (65510341799).

1112210001121 is a wasteful number, since it uses less digits than its factorization.

1112210001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790243.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112210001121 its reverse (1211000122111), we get a palindrome (2323210123232).

The spelling of 1112210001121 in words is "one trillion, one hundred twelve billion, two hundred ten million, one thousand, one hundred twenty-one".