1101020221100 has 36 divisors (see below), whose sum is σ = 2389508197104. Its totient is φ = 440353836480.

The previous prime is 1101020221099. The next prime is 1101020221111. The reversal of 1101020221100 is 11220201011.

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 in 11 ways as a sum of consecutive naturals, for example, 142634 + ... + 1490766.

Almost surely, 2^{1101020221100} is an apocalyptic number.

1101020221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101020221100 is an abundant number, since it is smaller than the sum of its proper divisors (1288487976004).

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

1101020221100 is a wasteful number, since it uses less digits than its factorization.

1101020221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356314 (or 1356307 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101020221100 its reverse (11220201011), we get a palindrome (1112240422111).

The spelling of 1101020221100 in words is "one trillion, one hundred one billion, twenty million, two hundred twenty-one thousand, one hundred".