40002102101 has 12 divisors (see below), whose sum is σ = 43325428608. Its totient is φ = 36916882704.

The previous prime is 40002102083. The next prime is 40002102103. The reversal of 40002102101 is 10120120004.

It is not a de Polignac number, because 40002102101 - 2⁶ = 40002102037 is a prime.

It is a super-2 number, since 2×40002102101² (a number of 22 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 (40002102103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825326 + ... + 872448.

It is an arithmetic number, because the mean of its divisors is an integer number (3610452384).

Almost surely, 2^40002102101 is an apocalyptic number.

It is an amenable number.

40002102101 is a deficient number, since it is larger than the sum of its proper divisors (3323326507).

40002102101 is a wasteful number, since it uses less digits than its factorization.

40002102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52172 (or 52159 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 40002102101 its reverse (10120120004), we get a palindrome (50122222105).

The spelling of 40002102101 in words is "forty billion, two million, one hundred two thousand, one hundred one".