1121210120001 has 32 divisors (see below), whose sum is σ = 1605526714368. Its totient is φ = 694383338880.

The previous prime is 1121210119961. The next prime is 1121210120011. The reversal of 1121210120001 is 1000210121211.

It is not a de Polignac number, because 1121210120001 - 2¹⁵ = 1121210087233 is a prime.

It is a super-2 number, since 2×1121210120001² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121210120011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379716 + ... + 2036181.

It is an arithmetic number, because the mean of its divisors is an integer number (50172709824).

Almost surely, 2^{1121210120001} is an apocalyptic number.

It is an amenable number.

1121210120001 is a deficient number, since it is larger than the sum of its proper divisors (484316594367).

1121210120001 is a wasteful number, since it uses less digits than its factorization.

1121210120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416061.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121210120001 its reverse (1000210121211), we get a palindrome (2121420241212).

The spelling of 1121210120001 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty thousand, one".