101102861 has 4 divisors (see below), whose sum is σ = 101221692. Its totient is φ = 100984032.

The previous prime is 101102839. The next prime is 101102863. The reversal of 101102861 is 168201101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 97515625 + 3587236 = 9875^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 101102861 - 2⁶ = 101102797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58130 + ... + 59843.

It is an arithmetic number, because the mean of its divisors is an integer number (25305423).

Almost surely, 2^101102861 is an apocalyptic number.

It is an amenable number.

101102861 is a deficient number, since it is larger than the sum of its proper divisors (118831).

101102861 is an equidigital number, since it uses as much as digits as its factorization.

101102861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118830.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 101102861 is about 10054.9918448500. The cubic root of 101102861 is about 465.8589910873.

Adding to 101102861 its reverse (168201101), we get a palindrome (269303962).

The spelling of 101102861 in words is "one hundred one million, one hundred two thousand, eight hundred sixty-one".