100221222101012 has 24 divisors (see below), whose sum is σ = 178282556155200. Its totient is φ = 49285682519040.

The previous prime is 100221222100999. The next prime is 100221222101027. The reversal of 100221222101012 is 210101222122001.

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, 291528512 + ... + 291872087.

It is an arithmetic number, because the mean of its divisors is an integer number (7428439839800).

Almost surely, 2^{100221222101012} is an apocalyptic number.

It is an amenable number.

100221222101012 is a deficient number, since it is larger than the sum of its proper divisors (78061334054188).

100221222101012 is a wasteful number, since it uses less digits than its factorization.

100221222101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583401311 (or 583401309 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100221222101012 its reverse (210101222122001), we get a palindrome (310322444223013).

The spelling of 100221222101012 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, twelve".