4001023101 has 8 divisors (see below), whose sum is σ = 5340161664. Its totient is φ = 2664616640.

The previous prime is 4001023093. The next prime is 4001023127. The reversal of 4001023101 is 1013201004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4001023101 - 2³ = 4001023093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001023801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679605 + ... + 685466.

It is an arithmetic number, because the mean of its divisors is an integer number (667520208).

Almost surely, 2^4001023101 is an apocalyptic number.

It is an amenable number.

4001023101 is a deficient number, since it is larger than the sum of its proper divisors (1339138563).

4001023101 is a wasteful number, since it uses less digits than its factorization.

4001023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366051.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 4001023101 is about 63253.6410098265. The cubic root of 4001023101 is about 1587.5363797313.

Adding to 4001023101 its reverse (1013201004), we get a palindrome (5014224105).

The spelling of 4001023101 in words is "four billion, one million, twenty-three thousand, one hundred one".