86111021 has 8 divisors (see below), whose sum is σ = 90778080. Its totient is φ = 81457488.

The previous prime is 86110979. The next prime is 86111033. The reversal of 86111021 is 12011168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86111021 - 2¹⁴ = 86094637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86110984 and 86111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86111041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11390 + ... + 17376.

It is an arithmetic number, because the mean of its divisors is an integer number (11347260).

Almost surely, 2^86111021 is an apocalyptic number.

It is an amenable number.

86111021 is a deficient number, since it is larger than the sum of its proper divisors (4667059).

86111021 is a wasteful number, since it uses less digits than its factorization.

86111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

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

The square root of 86111021 is about 9279.6024160521. The cubic root of 86111021 is about 441.5903553612.

Adding to 86111021 its reverse (12011168), we get a palindrome (98122189).

The spelling of 86111021 in words is "eighty-six million, one hundred eleven thousand, twenty-one".