1001233101 has 16 divisors (see below), whose sum is σ = 1532989440. Its totient is φ = 574870320.

The previous prime is 1001233081. The next prime is 1001233111. The reversal of 1001233101 is 1013321001.

It is not a de Polignac number, because 1001233101 - 2¹¹ = 1001231053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001233111) 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 15 ways as a sum of consecutive naturals, for example, 797805 + ... + 799058.

It is an arithmetic number, because the mean of its divisors is an integer number (95811840).

Almost surely, 2^1001233101 is an apocalyptic number.

1001233101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001233101 is a deficient number, since it is larger than the sum of its proper divisors (531756339).

1001233101 is a wasteful number, since it uses less digits than its factorization.

1001233101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596896.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1001233101 is about 31642.2676336574. The cubic root of 1001233101 is about 1000.4108648336.

Adding to 1001233101 its reverse (1013321001), we get a palindrome (2014554102).

The spelling of 1001233101 in words is "one billion, one million, two hundred thirty-three thousand, one hundred one".