102022161 has 8 divisors (see below), whose sum is σ = 136345440. Its totient is φ = 67856832.

The previous prime is 102022159. The next prime is 102022177. The reversal of 102022161 is 161220201.

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

It is not a de Polignac number, because 102022161 - 2¹ = 102022159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102022161.

It is not an unprimeable number, because it can be changed into a prime (102022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37971 + ... + 40568.

It is an arithmetic number, because the mean of its divisors is an integer number (17043180).

Almost surely, 2^102022161 is an apocalyptic number.

It is an amenable number.

102022161 is a deficient number, since it is larger than the sum of its proper divisors (34323279).

102022161 is an equidigital number, since it uses as much as digits as its factorization.

102022161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78975.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 102022161 is about 10100.6020117615. The cubic root of 102022161 is about 467.2667081228.

Adding to 102022161 its reverse (161220201), we get a palindrome (263242362).

The spelling of 102022161 in words is "one hundred two million, twenty-two thousand, one hundred sixty-one".