1100020010100 has 144 divisors (see below), whose sum is σ = 3552809272320. Its totient is φ = 260469820800.

The previous prime is 1100020010077. The next prime is 1100020010107. The reversal of 1100020010100 is 10100200011.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020010107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3734140 + ... + 4017939.

Almost surely, 2^{1100020010100} is an apocalyptic number.

1100020010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100020010100 is an abundant number, since it is smaller than the sum of its proper divisors (2452789262220).

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

1100020010100 is a wasteful number, since it uses less digits than its factorization.

1100020010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752150 (or 7752143 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1100020010100 its reverse (10100200011), we get a palindrome (1110120210111).

The spelling of 1100020010100 in words is "one trillion, one hundred billion, twenty million, ten thousand, one hundred".