101212121220222 has 8 divisors (see below), whose sum is σ = 202424242440456. Its totient is φ = 33737373740072.

The previous prime is 101212121220169. The next prime is 101212121220229. The reversal of 101212121220222 is 222022121212101.

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

101212121220222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212121220229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8434343435013 + ... + 8434343435024.

It is an arithmetic number, because the mean of its divisors is an integer number (25303030305057).

Almost surely, 2^{101212121220222} is an apocalyptic number.

101212121220222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101212121220222 is a wasteful number, since it uses less digits than its factorization.

101212121220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16868686870042.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 101212121220222 its reverse (222022121212101), we get a palindrome (323234242432323).

The spelling of 101212121220222 in words is "one hundred one trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".