1021011132 has 48 divisors (see below), whose sum is σ = 2526128640. Its totient is φ = 320061312.

The previous prime is 1021011097. The next prime is 1021011157. The reversal of 1021011132 is 2311101201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14893 + ... + 47579.

It is an arithmetic number, because the mean of its divisors is an integer number (52627680).

Almost surely, 2^1021011132 is an apocalyptic number.

1021011132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021011132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263064320).

1021011132 is an abundant number, since it is smaller than the sum of its proper divisors (1505117508).

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

1021011132 is a wasteful number, since it uses less digits than its factorization.

1021011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32850 (or 32848 counting only the distinct ones).

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

The square root of 1021011132 is about 31953.2648097186. The cubic root of 1021011132 is about 1006.9552233811.

Adding to 1021011132 its reverse (2311101201), we get a palindrome (3332112333).

The spelling of 1021011132 in words is "one billion, twenty-one million, eleven thousand, one hundred thirty-two".