1000020111101 has 8 divisors (see below), whose sum is σ = 1104740284800. Its totient is φ = 897601479840.

The previous prime is 1000020111061. The next prime is 1000020111121. The reversal of 1000020111101 is 1011110200001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000020111101 - 2¹⁰ = 1000020110077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020111121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575384696 + ... + 575386433.

It is an arithmetic number, because the mean of its divisors is an integer number (138092535600).

Almost surely, 2^{1000020111101} is an apocalyptic number.

1000020111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000020111101 is a deficient number, since it is larger than the sum of its proper divisors (104720173699).

1000020111101 is a wasteful number, since it uses less digits than its factorization.

1000020111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150771219.

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

Adding to 1000020111101 its reverse (1011110200001), we get a palindrome (2011130311102).

The spelling of 1000020111101 in words is "one trillion, twenty million, one hundred eleven thousand, one hundred one".