102101100443 has 4 divisors (see below), whose sum is σ = 102105735648. Its totient is φ = 102096465240.

The previous prime is 102101100427. The next prime is 102101100467. The reversal of 102101100443 is 344001101201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102101100443 - 2⁴ = 102101100427 is a prime.

It is a super-3 number, since 3×102101100443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101100473) 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, 2284403 + ... + 2328668.

It is an arithmetic number, because the mean of its divisors is an integer number (25526433912).

Almost surely, 2^102101100443 is an apocalyptic number.

102101100443 is a deficient number, since it is larger than the sum of its proper divisors (4635205).

102101100443 is an equidigital number, since it uses as much as digits as its factorization.

102101100443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635204.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102101100443 its reverse (344001101201), we get a palindrome (446102201644).

The spelling of 102101100443 in words is "one hundred two billion, one hundred one million, one hundred thousand, four hundred forty-three".