1100021221232 has 10 divisors (see below), whose sum is σ = 2131291116168. Its totient is φ = 550010610608.

The previous prime is 1100021221223. The next prime is 1100021221241. The reversal of 1100021221232 is 2321221200011.

It is an interprime number because it is at equal distance from previous prime (1100021221223) and next prime (1100021221241).

It is a self number, because there is not a number n which added to its sum of digits gives 1100021221232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34375663148 + ... + 34375663179.

Almost surely, 2^{1100021221232} is an apocalyptic number.

It is an amenable number.

1100021221232 is a deficient number, since it is larger than the sum of its proper divisors (1031269894936).

1100021221232 is an equidigital number, since it uses as much as digits as its factorization.

1100021221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68751326335 (or 68751326329 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1100021221232 its reverse (2321221200011), we get a palindrome (3421242421243).

The spelling of 1100021221232 in words is "one trillion, one hundred billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty-two".