1100012020001 has 4 divisors (see below), whose sum is σ = 1102884114432. Its totient is φ = 1097139925572.

The previous prime is 1100012019943. The next prime is 1100012020099. The reversal of 1100012020001 is 1000202100011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100012020001 - 2⁶ = 1100012019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100012020301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436046641 + ... + 1436047406.

It is an arithmetic number, because the mean of its divisors is an integer number (275721028608).

Almost surely, 2^{1100012020001} is an apocalyptic number.

It is an amenable number.

1100012020001 is a deficient number, since it is larger than the sum of its proper divisors (2872094431).

1100012020001 is an equidigital number, since it uses as much as digits as its factorization.

1100012020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872094430.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1100012020001 its reverse (1000202100011), we get a palindrome (2100214120012).

The spelling of 1100012020001 in words is "one trillion, one hundred billion, twelve million, twenty thousand, one".