1100101012100 has 18 divisors (see below), whose sum is σ = 2387219196474. Its totient is φ = 440040404800.

The previous prime is 1100101012099. The next prime is 1100101012103. The reversal of 1100101012100 is 12101010011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21843066436 + 1078257945664 = 147794^2 + 1038392^2 .

It is not an unprimeable number, because it can be changed into a prime (1100101012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5500504961 + ... + 5500505160.

It is an arithmetic number, because the mean of its divisors is an integer number (132623288693).

Almost surely, 2^{1100101012100} is an apocalyptic number.

1100101012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100101012100 is an abundant number, since it is smaller than the sum of its proper divisors (1287118184374).

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

1100101012100 is a wasteful number, since it uses less digits than its factorization.

1100101012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001010135 (or 11001010128 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1100101012100 its reverse (12101010011), we get a palindrome (1112202022111).

The spelling of 1100101012100 in words is "one trillion, one hundred billion, one hundred one million, twelve thousand, one hundred".