1100221121986 has 8 divisors (see below), whose sum is σ = 1886093352000. Its totient is φ = 471523337988.

The previous prime is 1100221121983. The next prime is 1100221122001. The reversal of 1100221121986 is 6891211220011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1100221121981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39293611486 + ... + 39293611513.

It is an arithmetic number, because the mean of its divisors is an integer number (235761669000).

Almost surely, 2^{1100221121986} is an apocalyptic number.

1100221121986 is a deficient number, since it is larger than the sum of its proper divisors (785872230014).

1100221121986 is an equidigital number, since it uses as much as digits as its factorization.

1100221121986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78587223008.

The product of its (nonzero) digits is 3456, while the sum is 34.

Adding to 1100221121986 its reverse (6891211220011), we get a palindrome (7991432341997).

The spelling of 1100221121986 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, nine hundred eighty-six".