1100021131332 has 36 divisors (see below), whose sum is σ = 2780871593136. Its totient is φ = 366639078960.

The previous prime is 1100021131291. The next prime is 1100021131337. The reversal of 1100021131332 is 2331311200011.

1100021131332 is a `hidden beast` number, since 110 + 0 + 0 + 211 + 313 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1100021131337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055094 + ... + 1820237.

Almost surely, 2^{1100021131332} is an apocalyptic number.

1100021131332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100021131332 is an abundant number, since it is smaller than the sum of its proper divisors (1680850461804).

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

1100021131332 is a wasteful number, since it uses less digits than its factorization.

1100021131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885968 (or 2885963 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100021131332 its reverse (2331311200011), we get a palindrome (3431332331343).

The spelling of 1100021131332 in words is "one trillion, one hundred billion, twenty-one million, one hundred thirty-one thousand, three hundred thirty-two".