201102101111001 has 4 divisors (see below), whose sum is σ = 268136134814672. Its totient is φ = 134068067407332.

The previous prime is 201102101110951. The next prime is 201102101111011. The reversal of 201102101111001 is 100111101201102.

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 not a de Polignac number, because 201102101111001 - 2⁷ = 201102101110873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201102101111011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33517016851831 + ... + 33517016851836.

It is an arithmetic number, because the mean of its divisors is an integer number (67034033703668).

Almost surely, 2^{201102101111001} is an apocalyptic number.

It is an amenable number.

201102101111001 is a deficient number, since it is larger than the sum of its proper divisors (67034033703671).

201102101111001 is an equidigital number, since it uses as much as digits as its factorization.

201102101111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67034033703670.

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

Adding to 201102101111001 its reverse (100111101201102), we get a palindrome (301213202312103).

The spelling of 201102101111001 in words is "two hundred one trillion, one hundred two billion, one hundred one million, one hundred eleven thousand, one".