101102120443 has 4 divisors (see below), whose sum is σ = 101145458448. Its totient is φ = 101058782440.

The previous prime is 101102120437. The next prime is 101102120501. The reversal of 101102120443 is 344021201101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344021201101 = 8513 ⋅40411277.

It is a cyclic number.

It is not a de Polignac number, because 101102120443 - 2¹⁷ = 101101989371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101102120443.

It is not an unprimeable number, because it can be changed into a prime (101102120423) 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, 21665503 + ... + 21670168.

It is an arithmetic number, because the mean of its divisors is an integer number (25286364612).

Almost surely, 2^101102120443 is an apocalyptic number.

101102120443 is a deficient number, since it is larger than the sum of its proper divisors (43338005).

101102120443 is an equidigital number, since it uses as much as digits as its factorization.

101102120443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43338004.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101102120443 its reverse (344021201101), we get a palindrome (445123321544).

The spelling of 101102120443 in words is "one hundred one billion, one hundred two million, one hundred twenty thousand, four hundred forty-three".