101544214115 has 4 divisors (see below), whose sum is σ = 121853056944. Its totient is φ = 81235371288.

The previous prime is 101544214111. The next prime is 101544214147. The reversal of 101544214115 is 511412445101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101544214115 - 2² = 101544214111 is a prime.

It is a super-2 number, since 2×101544214115² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101544214111) 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 3 ways as a sum of consecutive naturals, for example, 10154421407 + ... + 10154421416.

It is an arithmetic number, because the mean of its divisors is an integer number (30463264236).

Almost surely, 2^101544214115 is an apocalyptic number.

101544214115 is a deficient number, since it is larger than the sum of its proper divisors (20308842829).

101544214115 is an equidigital number, since it uses as much as digits as its factorization.

101544214115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20308842828.

The product of its (nonzero) digits is 3200, while the sum is 29.

Adding to 101544214115 its reverse (511412445101), we get a palindrome (612956659216).

The spelling of 101544214115 in words is "one hundred one billion, five hundred forty-four million, two hundred fourteen thousand, one hundred fifteen".