1011010201111 has 4 divisors (see below), whose sum is σ = 1011012350400. Its totient is φ = 1011008051824.

The previous prime is 1011010201099. The next prime is 1011010201129. The reversal of 1011010201111 is 1111020101101.

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 1011010201111 - 2⁷ = 1011010200983 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 (1011010201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31591 + ... + 1422328.

It is an arithmetic number, because the mean of its divisors is an integer number (252753087600).

Almost surely, 2^{1011010201111} is an apocalyptic number.

1011010201111 is a deficient number, since it is larger than the sum of its proper divisors (2149289).

1011010201111 is an equidigital number, since it uses as much as digits as its factorization.

1011010201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149288.

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

Adding to 1011010201111 its reverse (1111020101101), we get a palindrome (2122030302212).

It can be divided in two parts, 1011010 and 201111, that added together give a palindrome (1212121).

The spelling of 1011010201111 in words is "one trillion, eleven billion, ten million, two hundred one thousand, one hundred eleven".