101212210021222 has 8 divisors (see below), whose sum is σ = 152453538108000. Its totient is φ = 50394363985224.

The previous prime is 101212210021207. The next prime is 101212210021231. The reversal of 101212210021222 is 222120012212101.

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

It is a super-2 number, since 2×101212210021222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101212210021222.

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 3 ways as a sum of consecutive naturals, for example, 105870512097 + ... + 105870513052.

It is an arithmetic number, because the mean of its divisors is an integer number (19056692263500).

Almost surely, 2^{101212210021222} is an apocalyptic number.

101212210021222 is a deficient number, since it is larger than the sum of its proper divisors (51241328086778).

101212210021222 is a wasteful number, since it uses less digits than its factorization.

101212210021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211741025390.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101212210021222 its reverse (222120012212101), we get a palindrome (323332222233323).

The spelling of 101212210021222 in words is "one hundred one trillion, two hundred twelve billion, two hundred ten million, twenty-one thousand, two hundred twenty-two".