101020193 has 4 divisors (see below), whose sum is σ = 101092608. Its totient is φ = 100947780.

The previous prime is 101020189. The next prime is 101020217. The reversal of 101020193 is 391020101.

It is a happy number.

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 101020193 - 2² = 101020189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101020133) 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, 34073 + ... + 36918.

It is an arithmetic number, because the mean of its divisors is an integer number (25273152).

Almost surely, 2^101020193 is an apocalyptic number.

It is an amenable number.

101020193 is a deficient number, since it is larger than the sum of its proper divisors (72415).

101020193 is an equidigital number, since it uses as much as digits as its factorization.

101020193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72414.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 101020193 is about 10050.8802102104. The cubic root of 101020193 is about 465.7319846835.

Adding to 101020193 its reverse (391020101), we get a palindrome (492040294).

The spelling of 101020193 in words is "one hundred one million, twenty thousand, one hundred ninety-three".