101522013 has 4 divisors (see below), whose sum is σ = 135362688. Its totient is φ = 67681340.

The previous prime is 101521991. The next prime is 101522051. The reversal of 101522013 is 310225101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310225101 = 3 ⋅103408367.

It is a cyclic number.

It is not a de Polignac number, because 101522013 - 2¹⁰ = 101520989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101521983 and 101522001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101522063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16920333 + ... + 16920338.

It is an arithmetic number, because the mean of its divisors is an integer number (33840672).

Almost surely, 2^101522013 is an apocalyptic number.

It is an amenable number.

101522013 is a deficient number, since it is larger than the sum of its proper divisors (33840675).

101522013 is an equidigital number, since it uses as much as digits as its factorization.

101522013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33840674.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 101522013 is about 10075.8132674241. The cubic root of 101522013 is about 466.5018891604.

Adding to 101522013 its reverse (310225101), we get a palindrome (411747114).

The spelling of 101522013 in words is "one hundred one million, five hundred twenty-two thousand, thirteen".