72021222112102 has 16 divisors (see below), whose sum is σ = 108077966019072. Its totient is φ = 35995234863240.

The previous prime is 72021222112087. The next prime is 72021222112121. The reversal of 72021222112102 is 20121122212027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104053773 + ... + 104743639.

It is an arithmetic number, because the mean of its divisors is an integer number (6754872876192).

Almost surely, 2^{72021222112102} is an apocalyptic number.

72021222112102 is a deficient number, since it is larger than the sum of its proper divisors (36056743906970).

72021222112102 is a wasteful number, since it uses less digits than its factorization.

72021222112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712083.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 72021222112102 its reverse (20121122212027), we get a palindrome (92142344324129).

The spelling of 72021222112102 in words is "seventy-two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred two".