1011120201101 has 4 divisors (see below), whose sum is σ = 1011380199900. Its totient is φ = 1010860202304.

The previous prime is 1011120201059. The next prime is 1011120201109. The reversal of 1011120201101 is 1011020211101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 576642796900 + 434477404201 = 759370^2 + 659149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011120201101 - 2¹⁴ = 1011120184717 is a prime.

It is a super-2 number, since 2×1011120201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011120201109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129993566 + ... + 130001343.

It is an arithmetic number, because the mean of its divisors is an integer number (252845049975).

Almost surely, 2^{1011120201101} is an apocalyptic number.

It is an amenable number.

1011120201101 is a deficient number, since it is larger than the sum of its proper divisors (259998799).

1011120201101 is an equidigital number, since it uses as much as digits as its factorization.

1011120201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259998798.

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

Adding to 1011120201101 its reverse (1011020211101), we get a palindrome (2022140412202).

The spelling of 1011120201101 in words is "one trillion, eleven billion, one hundred twenty million, two hundred one thousand, one hundred one".