1011222133 has 8 divisors (see below), whose sum is σ = 1019934720. Its totient is φ = 1002521520.

The previous prime is 1011222131. The next prime is 1011222167. The reversal of 1011222133 is 3312221101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011222133 - 2¹ = 1011222131 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 (1011222131) 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, 270048 + ... + 273766.

It is an arithmetic number, because the mean of its divisors is an integer number (127491840).

Almost surely, 2^1011222133 is an apocalyptic number.

It is an amenable number.

1011222133 is a deficient number, since it is larger than the sum of its proper divisors (8712587).

1011222133 is a wasteful number, since it uses less digits than its factorization.

1011222133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987.

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

The square root of 1011222133 is about 31799.7190710861. The cubic root of 1011222133 is about 1003.7268046730.

Adding to 1011222133 its reverse (3312221101), we get a palindrome (4323443234).

The spelling of 1011222133 in words is "one billion, eleven million, two hundred twenty-two thousand, one hundred thirty-three".