100212201222222 has 16 divisors (see below), whose sum is σ = 200424539900160. Its totient is φ = 33404044164792.

The previous prime is 100212201222191. The next prime is 100212201222239. The reversal of 100212201222222 is 222222102212001.

100212201222222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100212201222222² (a number of 29 digits) contains 22 as substring.

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, 5419003 + ... + 15158825.

It is an arithmetic number, because the mean of its divisors is an integer number (12526533743760).

Almost surely, 2^{100212201222222} is an apocalyptic number.

100212201222222 is an abundant number, since it is smaller than the sum of its proper divisors (100212338677938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100212201222222 is a wasteful number, since it uses less digits than its factorization.

100212201222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454647.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 100212201222222 its reverse (222222102212001), we get a palindrome (322434303434223).

The spelling of 100212201222222 in words is "one hundred trillion, two hundred twelve billion, two hundred one million, two hundred twenty-two thousand, two hundred twenty-two".