1020011200111 has 4 divisors (see below), whose sum is σ = 1020749804824. Its totient is φ = 1019272595400.

The previous prime is 1020011200079. The next prime is 1020011200139. The reversal of 1020011200111 is 1110021100201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020011200111 - 2⁵ = 1020011200079 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 (1020011200181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369300285 + ... + 369303046.

It is an arithmetic number, because the mean of its divisors is an integer number (255187451206).

Almost surely, 2^{1020011200111} is an apocalyptic number.

1020011200111 is a deficient number, since it is larger than the sum of its proper divisors (738604713).

1020011200111 is an equidigital number, since it uses as much as digits as its factorization.

1020011200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738604712.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020011200111 its reverse (1110021100201), we get a palindrome (2130032300312).

The spelling of 1020011200111 in words is "one trillion, twenty billion, eleven million, two hundred thousand, one hundred eleven".