72101200102 has 8 divisors (see below), whose sum is σ = 108349519896. Its totient is φ = 35984693472.

The previous prime is 72101200097. The next prime is 72101200103. The reversal of 72101200102 is 20100210127.

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

It is a super-2 number, since 2×72101200102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72101200103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32951923 + ... + 32954110.

It is an arithmetic number, because the mean of its divisors is an integer number (13543689987).

Almost surely, 2^72101200102 is an apocalyptic number.

72101200102 is a deficient number, since it is larger than the sum of its proper divisors (36248319794).

72101200102 is a wasteful number, since it uses less digits than its factorization.

72101200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65906582.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 72101200102 its reverse (20100210127), we get a palindrome (92201410229).

The spelling of 72101200102 in words is "seventy-two billion, one hundred one million, two hundred thousand, one hundred two".