1011201101 has 4 divisors (see below), whose sum is σ = 1011750432. Its totient is φ = 1010651772.

The previous prime is 1011201091. The next prime is 1011201119. The reversal of 1011201101 is 1011021101.

It is a happy number.

1011201101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1011021101 = 509 ⋅1986289.

It is a cyclic number.

It is not a de Polignac number, because 1011201101 - 2¹⁰ = 1011200077 is a prime.

It is a super-2 number, since 2×1011201101² = 2045055333327224402, which 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 (1011201181) 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, 271895 + ... + 275588.

It is an arithmetic number, because the mean of its divisors is an integer number (252937608).

Almost surely, 2^1011201101 is an apocalyptic number.

It is an amenable number.

1011201101 is a deficient number, since it is larger than the sum of its proper divisors (549331).

1011201101 is an equidigital number, since it uses as much as digits as its factorization.

1011201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549330.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1011201101 is about 31799.3883746213. The cubic root of 1011201101 is about 1003.7198459222.

Adding to 1011201101 its reverse (1011021101), we get a palindrome (2022222202).

The spelling of 1011201101 in words is "one billion, eleven million, two hundred one thousand, one hundred one".