102100002111001 has 4 divisors (see below), whose sum is σ = 102138400008400. Its totient is φ = 102061604213604.

The previous prime is 102100002110941. The next prime is 102100002111013. The reversal of 102100002111001 is 100111200001201.

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 102100002111001 - 2¹⁷ = 102100001979929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100002111301) 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, 19198944711 + ... + 19198950028.

It is an arithmetic number, because the mean of its divisors is an integer number (25534600002100).

Almost surely, 2^{102100002111001} is an apocalyptic number.

It is an amenable number.

102100002111001 is a deficient number, since it is larger than the sum of its proper divisors (38397897399).

102100002111001 is an equidigital number, since it uses as much as digits as its factorization.

102100002111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38397897398.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102100002111001 its reverse (100111200001201), we get a palindrome (202211202112202).

The spelling of 102100002111001 in words is "one hundred two trillion, one hundred billion, two million, one hundred eleven thousand, one".