10021222010078 has 8 divisors (see below), whose sum is σ = 15685390972368. Its totient is φ = 4792758352624.

The previous prime is 10021222010077. The next prime is 10021222010161. The reversal of 10021222010078 is 87001022212001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021222010077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108926326151 + ... + 108926326242.

It is an arithmetic number, because the mean of its divisors is an integer number (1960673871546).

Almost surely, 2^{10021222010078} is an apocalyptic number.

10021222010078 is a deficient number, since it is larger than the sum of its proper divisors (5664168962290).

10021222010078 is a wasteful number, since it uses less digits than its factorization.

10021222010078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217852652418.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 10021222010078 its reverse (87001022212001), we get a palindrome (97022244222079).

The spelling of 10021222010078 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, ten thousand, seventy-eight".