1011011101201 has 4 divisors (see below), whose sum is σ = 1011052494400. Its totient is φ = 1010969708004.

The previous prime is 1011011101187. The next prime is 1011011101207. The reversal of 1011011101201 is 1021011101101.

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 1011011101201 - 2⁷ = 1011011101073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011011101207) 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, 20659941 + ... + 20708818.

It is an arithmetic number, because the mean of its divisors is an integer number (252763123600).

Almost surely, 2^{1011011101201} is an apocalyptic number.

It is an amenable number.

1011011101201 is a deficient number, since it is larger than the sum of its proper divisors (41393199).

1011011101201 is an equidigital number, since it uses as much as digits as its factorization.

1011011101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41393198.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1011011101201 its reverse (1021011101101), we get a palindrome (2032022202302).

The spelling of 1011011101201 in words is "one trillion, eleven billion, eleven million, one hundred one thousand, two hundred one".