1011221162 has 16 divisors (see below), whose sum is σ = 1734749952. Its totient is φ = 433073520.

The previous prime is 1011221161. The next prime is 1011221207. The reversal of 1011221162 is 2611221101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011221162.

It is not an unprimeable number, because it can be changed into a prime (1011221161) 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, 4514 + ... + 45197.

It is an arithmetic number, because the mean of its divisors is an integer number (108421872).

Almost surely, 2^1011221162 is an apocalyptic number.

1011221162 is a deficient number, since it is larger than the sum of its proper divisors (723528790).

1011221162 is a wasteful number, since it uses less digits than its factorization.

1011221162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51173.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1011221162 is about 31799.7038036520. The cubic root of 1011221162 is about 1003.7264834053.

Adding to 1011221162 its reverse (2611221101), we get a palindrome (3622442263).

The spelling of 1011221162 in words is "one billion, eleven million, two hundred twenty-one thousand, one hundred sixty-two".