601111001101 has 48 divisors (see below), whose sum is σ = 724289252544. Its totient is φ = 496297331712.

The previous prime is 601111001083. The next prime is 601111001131. The reversal of 601111001101 is 101100111106.

It is not a de Polignac number, because 601111001101 - 2¹⁵ = 601110968333 is a prime.

It is a super-2 number, since 2×601111001101² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601111001131) 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 47 ways as a sum of consecutive naturals, for example, 4505190 + ... + 4636696.

It is an arithmetic number, because the mean of its divisors is an integer number (15089359428).

Almost surely, 2^601111001101 is an apocalyptic number.

It is an amenable number.

601111001101 is a deficient number, since it is larger than the sum of its proper divisors (123178251443).

601111001101 is a wasteful number, since it uses less digits than its factorization.

601111001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131630 (or 131617 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 601111001101 its reverse (101100111106), we get a palindrome (702211112207).

The spelling of 601111001101 in words is "six hundred one billion, one hundred eleven million, one thousand, one hundred one".