72101101022 has 16 divisors (see below), whose sum is σ = 111082499232. Its totient is φ = 35073738720.

The previous prime is 72101100997. The next prime is 72101101031. The reversal of 72101101022 is 22010110127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457372 + ... + 1506032.

It is an arithmetic number, because the mean of its divisors is an integer number (6942656202).

Almost surely, 2^72101101022 is an apocalyptic number.

72101101022 is a deficient number, since it is larger than the sum of its proper divisors (38981398210).

72101101022 is a wasteful number, since it uses less digits than its factorization.

72101101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68723.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 72101101022 its reverse (22010110127), we get a palindrome (94111211149).

The spelling of 72101101022 in words is "seventy-two billion, one hundred one million, one hundred one thousand, twenty-two".