1102112211001 has 4 divisors (see below), whose sum is σ = 1102114750032. Its totient is φ = 1102109671972.

The previous prime is 1102112210923. The next prime is 1102112211049. The reversal of 1102112211001 is 1001122112011.

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 a de Polignac number, because none of the positive numbers 2^k-1102112211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102112211061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435991 + ... + 1547356.

It is an arithmetic number, because the mean of its divisors is an integer number (275528687508).

Almost surely, 2^{1102112211001} is an apocalyptic number.

It is an amenable number.

1102112211001 is a deficient number, since it is larger than the sum of its proper divisors (2539031).

1102112211001 is an equidigital number, since it uses as much as digits as its factorization.

1102112211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539030.

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

Adding to 1102112211001 its reverse (1001122112011), we get a palindrome (2103234323012).

The spelling of 1102112211001 in words is "one trillion, one hundred two billion, one hundred twelve million, two hundred eleven thousand, one".