1011131022 has 64 divisors (see below), whose sum is σ = 2285273088. Its totient is φ = 295596000.

The previous prime is 1011130997. The next prime is 1011131029. The reversal of 1011131022 is 2201311101.

It is a junction number, because it is equal to n+sod(n) for n = 1011130989 and 1011131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011131029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217947 + ... + 222537.

It is an arithmetic number, because the mean of its divisors is an integer number (35707392).

Almost surely, 2^1011131022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011131022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142636544).

1011131022 is an abundant number, since it is smaller than the sum of its proper divisors (1274142066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011131022 is a wasteful number, since it uses less digits than its factorization.

1011131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

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

The square root of 1011131022 is about 31798.2864632672. The cubic root of 1011131022 is about 1003.6966585436.

Adding to 1011131022 its reverse (2201311101), we get a palindrome (3212442123).

The spelling of 1011131022 in words is "one billion, eleven million, one hundred thirty-one thousand, twenty-two".