1020011133 has 4 divisors (see below), whose sum is σ = 1360014848. Its totient is φ = 680007420.

The previous prime is 1020011123. The next prime is 1020011137. The reversal of 1020011133 is 3311100201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020011133 - 2¹⁷ = 1019880061 is a prime.

It is a super-2 number, since 2×1020011133² = 2080845422887887378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020011137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170001853 + ... + 170001858.

It is an arithmetic number, because the mean of its divisors is an integer number (340003712).

Almost surely, 2^1020011133 is an apocalyptic number.

It is an amenable number.

1020011133 is a deficient number, since it is larger than the sum of its proper divisors (340003715).

1020011133 is an equidigital number, since it uses as much as digits as its factorization.

1020011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340003714.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1020011133 is about 31937.6131387429. The cubic root of 1020011133 is about 1006.6263718771.

Adding to 1020011133 its reverse (3311100201), we get a palindrome (4331111334).

The spelling of 1020011133 in words is "one billion, twenty million, eleven thousand, one hundred thirty-three".