1011201120011 has 4 divisors (see below), whose sum is σ = 1011881149152. Its totient is φ = 1010521090872.

The previous prime is 1011201119969. The next prime is 1011201120019. The reversal of 1011201120011 is 1100211021101.

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 1011201120011 - 2¹⁸ = 1011200857867 is a prime.

It is a super-2 number, since 2×1011201120011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011201119974 and 1011201120001.

It is not an unprimeable number, because it can be changed into a prime (1011201120019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340012340 + ... + 340015313.

It is an arithmetic number, because the mean of its divisors is an integer number (252970287288).

Almost surely, 2^{1011201120011} is an apocalyptic number.

1011201120011 is a deficient number, since it is larger than the sum of its proper divisors (680029141).

1011201120011 is an equidigital number, since it uses as much as digits as its factorization.

1011201120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680029140.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011201120011 its reverse (1100211021101), we get a palindrome (2111412141112).

The spelling of 1011201120011 in words is "one trillion, eleven billion, two hundred one million, one hundred twenty thousand, eleven".