1021133122 has 8 divisors (see below), whose sum is σ = 1535445900. Its totient is φ = 509317824.

The previous prime is 1021133063. The next prime is 1021133159. The reversal of 1021133122 is 2213311201.

It can be written as a sum of positive squares in 2 ways, for example, as 967272201 + 53860921 = 31101^2 + 7339^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1021133096 and 1021133105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623347 + ... + 624982.

Almost surely, 2^1021133122 is an apocalyptic number.

1021133122 is a deficient number, since it is larger than the sum of its proper divisors (514312778).

1021133122 is a wasteful number, since it uses less digits than its factorization.

1021133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248740.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1021133122 is about 31955.1736343272. The cubic root of 1021133122 is about 1006.9953253193.

Adding to 1021133122 its reverse (2213311201), we get a palindrome (3234444323).

The spelling of 1021133122 in words is "one billion, twenty-one million, one hundred thirty-three thousand, one hundred twenty-two".