1100022020100 has 72 divisors (see below), whose sum is σ = 3536367095520. Its totient is φ = 293339204640.

The previous prime is 1100022020039. The next prime is 1100022020117. The reversal of 1100022020100 is 10202200011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203705082 + ... + 203710481.

It is an arithmetic number, because the mean of its divisors is an integer number (49116209660).

Almost surely, 2^{1100022020100} is an apocalyptic number.

1100022020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100022020100 is an abundant number, since it is smaller than the sum of its proper divisors (2436345075420).

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

1100022020100 is a wasteful number, since it uses less digits than its factorization.

1100022020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407415586 (or 407415573 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1100022020100 its reverse (10202200011), we get a palindrome (1110224220111).

The spelling of 1100022020100 in words is "one trillion, one hundred billion, twenty-two million, twenty thousand, one hundred".