1121111002201 has 4 divisors (see below), whose sum is σ = 1126980693504. Its totient is φ = 1115241310900.

The previous prime is 1121111002159. The next prime is 1121111002241. The reversal of 1121111002201 is 1022001111211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121111002201 - 2³¹ = 1118963518553 is a prime.

It is a super-2 number, since 2×1121111002201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121111002241) 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 3 ways as a sum of consecutive naturals, for example, 2934845365 + ... + 2934845746.

It is an arithmetic number, because the mean of its divisors is an integer number (281745173376).

Almost surely, 2^{1121111002201} is an apocalyptic number.

It is an amenable number.

1121111002201 is a deficient number, since it is larger than the sum of its proper divisors (5869691303).

1121111002201 is an equidigital number, since it uses as much as digits as its factorization.

1121111002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869691302.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121111002201 its reverse (1022001111211), we get a palindrome (2143112113412).

The spelling of 1121111002201 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, two hundred one".