1122001122121 has 8 divisors (see below), whose sum is σ = 1231510436064. Its totient is φ = 1013743343520.

The previous prime is 1122001122113. The next prime is 1122001122131. The reversal of 1122001122121 is 1212211002211.

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 1122001122121 - 2³ = 1122001122113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122001122095 and 1122001122104.

It is not an unprimeable number, because it can be changed into a prime (1122001122131) 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, 312881956 + ... + 312885541.

It is an arithmetic number, because the mean of its divisors is an integer number (153938804508).

Almost surely, 2^{1122001122121} is an apocalyptic number.

1122001122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122001122121 is a deficient number, since it is larger than the sum of its proper divisors (109509313943).

1122001122121 is a wasteful number, since it uses less digits than its factorization.

1122001122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625767671.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122001122121 its reverse (1212211002211), we get a palindrome (2334212124332).

It can be divided in two parts, 112200 and 1122121, that added together give a palindrome (1234321).

The spelling of 1122001122121 in words is "one trillion, one hundred twenty-two billion, one million, one hundred twenty-two thousand, one hundred twenty-one".