1111121102001 has 8 divisors (see below), whose sum is σ = 1481516193024. Its totient is φ = 740736706160.

The previous prime is 1111121101973. The next prime is 1111121102029. The reversal of 1111121102001 is 1002011211111.

It is an interprime number because it is at equal distance from previous prime (1111121101973) and next prime (1111121102029).

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 1111121102001 - 2⁵ = 1111121101969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111121102801) 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 7 ways as a sum of consecutive naturals, for example, 2428161 + ... + 2849246.

It is an arithmetic number, because the mean of its divisors is an integer number (185189524128).

Almost surely, 2^{1111121102001} is an apocalyptic number.

It is an amenable number.

1111121102001 is a deficient number, since it is larger than the sum of its proper divisors (370395091023).

1111121102001 is an equidigital number, since it uses as much as digits as its factorization.

1111121102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347591.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111121102001 its reverse (1002011211111), we get a palindrome (2113132313112).

The spelling of 1111121102001 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, one hundred two thousand, one".