11000020020001 has 4 divisors (see below), whose sum is σ = 11000582901952. Its totient is φ = 10999457138052.

The previous prime is 11000020019981. The next prime is 11000020020019. The reversal of 11000020020001 is 10002002000011.

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 11000020020001 - 2¹⁷ = 11000019888929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000020020091) 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, 281411661 + ... + 281450746.

It is an arithmetic number, because the mean of its divisors is an integer number (2750145725488).

Almost surely, 2^{11000020020001} is an apocalyptic number.

It is an amenable number.

11000020020001 is a deficient number, since it is larger than the sum of its proper divisors (562881951).

11000020020001 is an equidigital number, since it uses as much as digits as its factorization.

11000020020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562881950.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11000020020001 its reverse (10002002000011), we get a palindrome (21002022020012).

The spelling of 11000020020001 in words is "eleven trillion, twenty million, twenty thousand, one".