1121001109914 has 64 divisors (see below), whose sum is σ = 2618030709504. Its totient is φ = 313352472576.

The previous prime is 1121001109913. The next prime is 1121001110003. The reversal of 1121001109914 is 4199011001211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121001109913) 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 31 ways as a sum of consecutive naturals, for example, 72472 + ... + 1499084.

It is an arithmetic number, because the mean of its divisors is an integer number (40906729836).

Almost surely, 2^{1121001109914} is an apocalyptic number.

1121001109914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121001109914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309015354752).

1121001109914 is an abundant number, since it is smaller than the sum of its proper divisors (1497029599590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121001109914 is a wasteful number, since it uses less digits than its factorization.

1121001109914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427031.

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 1121001109914 in words is "one trillion, one hundred twenty-one billion, one million, one hundred nine thousand, nine hundred fourteen".