1021141110 has 64 divisors (see below), whose sum is σ = 2683425024. Its totient is φ = 246633600.

The previous prime is 1021141067. The next prime is 1021141117. The reversal of 1021141110 is 111411201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021141117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85825 + ... + 96995.

It is an arithmetic number, because the mean of its divisors is an integer number (41928516).

Almost surely, 2^1021141110 is an apocalyptic number.

1021141110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021141110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341712512).

1021141110 is an abundant number, since it is smaller than the sum of its proper divisors (1662283914).

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

1021141110 is a wasteful number, since it uses less digits than its factorization.

1021141110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1021141110 is about 31955.2986216684. The cubic root of 1021141110 is about 1006.9979511139.

Adding to 1021141110 its reverse (111411201), we get a palindrome (1132552311).

The spelling of 1021141110 in words is "one billion, twenty-one million, one hundred forty-one thousand, one hundred ten".