1121021122001 has 8 divisors (see below), whose sum is σ = 1222976468064. Its totient is φ = 1019073165120.

The previous prime is 1121021121989. The next prime is 1121021122033. The reversal of 1121021122001 is 1002211201211.

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 1121021122001 - 2⁶ = 1121021121937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121021122601) 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, 1527671 + ... + 2139116.

It is an arithmetic number, because the mean of its divisors is an integer number (152872058508).

Almost surely, 2^{1121021122001} is an apocalyptic number.

1121021122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121021122001 is a deficient number, since it is larger than the sum of its proper divisors (101955346063).

1121021122001 is a wasteful number, since it uses less digits than its factorization.

1121021122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694591.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121021122001 its reverse (1002211201211), we get a palindrome (2123232323212).

The spelling of 1121021122001 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty-two thousand, one".