1121112202001 has 16 divisors (see below), whose sum is σ = 1226896070400. Its totient is φ = 1015975516800.

The previous prime is 1121112201997. The next prime is 1121112202003. The reversal of 1121112202001 is 1002022111211.

It is a cyclic number.

It is not a de Polignac number, because 1121112202001 - 2² = 1121112201997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121112202003) 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 15 ways as a sum of consecutive naturals, for example, 7288040 + ... + 7440278.

It is an arithmetic number, because the mean of its divisors is an integer number (76681004400).

Almost surely, 2^{1121112202001} is an apocalyptic number.

1121112202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121112202001 is a deficient number, since it is larger than the sum of its proper divisors (105783868399).

1121112202001 is a wasteful number, since it uses less digits than its factorization.

1121112202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154360.

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

Adding to 1121112202001 its reverse (1002022111211), we get a palindrome (2123134313212).

The spelling of 1121112202001 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred two thousand, one".