102111202001 has 4 divisors (see below), whose sum is σ = 103841900400. Its totient is φ = 100380503604.

The previous prime is 102111201943. The next prime is 102111202003. The reversal of 102111202001 is 100202111201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100202111201 = 19919 ⋅5030479.

It is a cyclic number.

It is not a de Polignac number, because 102111202001 - 2³⁴ = 84931332817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111202003) 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 3 ways as a sum of consecutive naturals, for example, 865349111 + ... + 865349228.

It is an arithmetic number, because the mean of its divisors is an integer number (25960475100).

Almost surely, 2^102111202001 is an apocalyptic number.

It is an amenable number.

102111202001 is a deficient number, since it is larger than the sum of its proper divisors (1730698399).

102111202001 is an equidigital number, since it uses as much as digits as its factorization.

102111202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730698398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102111202001 its reverse (100202111201), we get a palindrome (202313313202).

The spelling of 102111202001 in words is "one hundred two billion, one hundred eleven million, two hundred two thousand, one".