162215101 has 4 divisors (see below), whose sum is σ = 162657472. Its totient is φ = 161772732.

The previous prime is 162215093. The next prime is 162215111. The reversal of 162215101 is 101512261.

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: 101512261 = 269 ⋅377369.

It is a cyclic number.

It is not a de Polignac number, because 162215101 - 2³ = 162215093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162215111) 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, 220635 + ... + 221368.

It is an arithmetic number, because the mean of its divisors is an integer number (40664368).

Almost surely, 2^162215101 is an apocalyptic number.

It is an amenable number.

162215101 is a deficient number, since it is larger than the sum of its proper divisors (442371).

162215101 is an equidigital number, since it uses as much as digits as its factorization.

162215101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442370.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 162215101 is about 12736.3692236053. The cubic root of 162215101 is about 545.3773454976.

Adding to 162215101 its reverse (101512261), we get a palindrome (263727362).

The spelling of 162215101 in words is "one hundred sixty-two million, two hundred fifteen thousand, one hundred one".