101420324615 has 4 divisors (see below), whose sum is σ = 121704389544. Its totient is φ = 81136259688.

The previous prime is 101420324569. The next prime is 101420324647. The reversal of 101420324615 is 516423024101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 516423024101 = 77447 ⋅6668083.

It is a cyclic number.

It is not a de Polignac number, because 101420324615 - 2³² = 97125357319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10142032457 + ... + 10142032466.

It is an arithmetic number, because the mean of its divisors is an integer number (30426097386).

Almost surely, 2^101420324615 is an apocalyptic number.

101420324615 is a deficient number, since it is larger than the sum of its proper divisors (20284064929).

101420324615 is an equidigital number, since it uses as much as digits as its factorization.

101420324615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20284064928.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 101420324615 its reverse (516423024101), we get a palindrome (617843348716).

The spelling of 101420324615 in words is "one hundred one billion, four hundred twenty million, three hundred twenty-four thousand, six hundred fifteen".