1101132021 has 16 divisors (see below), whose sum is σ = 1602888768. Its totient is φ = 666835200.

The previous prime is 1101131989. The next prime is 1101132031. The reversal of 1101132021 is 1202311011.

It is not a de Polignac number, because 1101132021 - 2⁵ = 1101131989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101131988 and 1101132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101132031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32655 + ... + 57171.

It is an arithmetic number, because the mean of its divisors is an integer number (100180548).

Almost surely, 2^1101132021 is an apocalyptic number.

1101132021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101132021 is a deficient number, since it is larger than the sum of its proper divisors (501756747).

1101132021 is a wasteful number, since it uses less digits than its factorization.

1101132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25892.

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

The square root of 1101132021 is about 33183.3093738403. The cubic root of 1101132021 is about 1032.6341039830.

Adding to 1101132021 its reverse (1202311011), we get a palindrome (2303443032).

The spelling of 1101132021 in words is "one billion, one hundred one million, one hundred thirty-two thousand, twenty-one".