72210000101 has 8 divisors (see below), whose sum is σ = 72469343520. Its totient is φ = 71950951888.

The previous prime is 72210000097. The next prime is 72210000103. The reversal of 72210000101 is 10100001227.

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 72210000101 - 2² = 72210000097 is a prime.

It is a super-2 number, since 2×72210000101² (a number of 23 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 (72210000103) 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, 422255 + ... + 568083.

It is an arithmetic number, because the mean of its divisors is an integer number (9058667940).

Almost surely, 2^72210000101 is an apocalyptic number.

It is an amenable number.

72210000101 is a deficient number, since it is larger than the sum of its proper divisors (259343419).

72210000101 is a wasteful number, since it uses less digits than its factorization.

72210000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147603.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 72210000101 its reverse (10100001227), we get a palindrome (82310001328).

The spelling of 72210000101 in words is "seventy-two billion, two hundred ten million, one hundred one", and thus it is an aban number.