2021215162 has 4 divisors (see below), whose sum is σ = 3031822746. Its totient is φ = 1010607580.

The previous prime is 2021215103. The next prime is 2021215199. The reversal of 2021215162 is 2615121202.

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

It can be written as a sum of positive squares in only one way, i.e., 1014358801 + 1006856361 = 31849^2 + 31731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505303789 + ... + 505303792.

Almost surely, 2^2021215162 is an apocalyptic number.

2021215162 is a deficient number, since it is larger than the sum of its proper divisors (1010607584).

2021215162 is a wasteful number, since it uses less digits than its factorization.

2021215162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010607583.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2021215162 is about 44957.9265758553. The cubic root of 2021215162 is about 1264.3602950132.

Adding to 2021215162 its reverse (2615121202), we get a palindrome (4636336364).

The spelling of 2021215162 in words is "two billion, twenty-one million, two hundred fifteen thousand, one hundred sixty-two".