1112120100001 has 4 divisors (see below), whose sum is σ = 1112122213632. Its totient is φ = 1112117986372.

The previous prime is 1112120099947. The next prime is 1112120100011. The reversal of 1112120100001 is 1000010212111.

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 1112120100001 - 2²⁵ = 1112086545569 is a prime.

It is a super-2 number, since 2×1112120100001² (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 (1112120100011) 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, 425160 + ... + 1550806.

It is an arithmetic number, because the mean of its divisors is an integer number (278030553408).

Almost surely, 2^{1112120100001} is an apocalyptic number.

It is an amenable number.

1112120100001 is a deficient number, since it is larger than the sum of its proper divisors (2113631).

1112120100001 is an equidigital number, since it uses as much as digits as its factorization.

1112120100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113630.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1112120100001 its reverse (1000010212111), we get a palindrome (2112130312112).

It can be divided in two parts, 1112120 and 100001, that added together give a palindrome (1212121).

The spelling of 1112120100001 in words is "one trillion, one hundred twelve billion, one hundred twenty million, one hundred thousand, one".