1100100320001 has 12 divisors (see below), whose sum is σ = 1589542978660. Its totient is φ = 733165205760.

The previous prime is 1100100319999. The next prime is 1100100320003. The reversal of 1100100320001 is 1000230010011.

It is an interprime number because it is at equal distance from previous prime (1100100319999) and next prime (1100100320003).

It can be written as a sum of positive squares in 2 ways, for example, as 383836007025 + 716264312976 = 619545^2 + 846324^2 .

It is not a de Polignac number, because 1100100320001 - 2¹ = 1100100319999 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100100320003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19554316 + ... + 19610493.

Almost surely, 2^{1100100320001} is an apocalyptic number.

It is an amenable number.

1100100320001 is a deficient number, since it is larger than the sum of its proper divisors (489442658659).

1100100320001 is a wasteful number, since it uses less digits than its factorization.

1100100320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39167936 (or 39167933 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1100100320001 its reverse (1000230010011), we get a palindrome (2100330330012).

The spelling of 1100100320001 in words is "one trillion, one hundred billion, one hundred million, three hundred twenty thousand, one".