101030340021 has 8 divisors (see below), whose sum is σ = 145069206240. Its totient is φ = 62172516912.

The previous prime is 101030340011. The next prime is 101030340091. The reversal of 101030340021 is 120043030101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101030340021 - 2²³ = 101021951413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101030340011) 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 7 ways as a sum of consecutive naturals, for example, 1295260731 + ... + 1295260808.

It is an arithmetic number, because the mean of its divisors is an integer number (18133650780).

Almost surely, 2^101030340021 is an apocalyptic number.

It is an amenable number.

101030340021 is a deficient number, since it is larger than the sum of its proper divisors (44038866219).

101030340021 is a wasteful number, since it uses less digits than its factorization.

101030340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590521555.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 101030340021 its reverse (120043030101), we get a palindrome (221073370122).

The spelling of 101030340021 in words is "one hundred one billion, thirty million, three hundred forty thousand, twenty-one".