101020413215 has 4 divisors (see below), whose sum is σ = 121224495864. Its totient is φ = 80816330568.

The previous prime is 101020413173. The next prime is 101020413227. The reversal of 101020413215 is 512314020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512314020101 = 13 ⋅39408770777.

It is a cyclic number.

It is not a de Polignac number, because 101020413215 - 2¹⁴ = 101020396831 is a prime.

It is a super-2 number, since 2×101020413215² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10102041317 + ... + 10102041326.

It is an arithmetic number, because the mean of its divisors is an integer number (30306123966).

Almost surely, 2^101020413215 is an apocalyptic number.

101020413215 is a deficient number, since it is larger than the sum of its proper divisors (20204082649).

101020413215 is an equidigital number, since it uses as much as digits as its factorization.

101020413215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204082648.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 101020413215 its reverse (512314020101), we get a palindrome (613334433316).

The spelling of 101020413215 in words is "one hundred one billion, twenty million, four hundred thirteen thousand, two hundred fifteen".