1112122121001 has 8 divisors (see below), whose sum is σ = 1482893781600. Its totient is φ = 741382603872.

The previous prime is 1112122120987. The next prime is 1112122121093. The reversal of 1112122121001 is 1001212212111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112122121001 - 2¹⁴ = 1112122104617 is a prime.

It is a super-2 number, since 2×1112122121001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112122121101) 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, 7955020 + ... + 8093613.

It is an arithmetic number, because the mean of its divisors is an integer number (185361722700).

Almost surely, 2^{1112122121001} is an apocalyptic number.

It is an amenable number.

1112122121001 is a deficient number, since it is larger than the sum of its proper divisors (370771660599).

1112122121001 is a wasteful number, since it uses less digits than its factorization.

1112122121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16071735.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1112122121001 its reverse (1001212212111), we get a palindrome (2113334333112).

The spelling of 1112122121001 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, one".