1001331122 has 16 divisors (see below), whose sum is σ = 1724781600. Its totient is φ = 431195040.

The previous prime is 1001331109. The next prime is 1001331131. The reversal of 1001331122 is 2211331001.

It is a junction number, because it is equal to n+sod(n) for n = 1001331097 and 1001331106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197347 + ... + 1198182.

It is an arithmetic number, because the mean of its divisors is an integer number (107798850).

Almost surely, 2^1001331122 is an apocalyptic number.

1001331122 is a deficient number, since it is larger than the sum of its proper divisors (723450478).

1001331122 is a wasteful number, since it uses less digits than its factorization.

1001331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395561.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1001331122 is about 31643.8164891658. The cubic root of 1001331122 is about 1000.4435106026.

Adding to 1001331122 its reverse (2211331001), we get a palindrome (3212662123).

The spelling of 1001331122 in words is "one billion, one million, three hundred thirty-one thousand, one hundred twenty-two".