101212212122 has 16 divisors (see below), whose sum is σ = 173527436160. Its totient is φ = 43371465648.

The previous prime is 101212212121. The next prime is 101212212133. The reversal of 101212212122 is 221212212101.

It is a self number, because there is not a number n which added to its sum of digits gives 101212212122.

It is not an unprimeable number, because it can be changed into a prime (101212212121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310838 + ... + 546849.

It is an arithmetic number, because the mean of its divisors is an integer number (10845464760).

Almost surely, 2^101212212122 is an apocalyptic number.

101212212122 is a deficient number, since it is larger than the sum of its proper divisors (72315224038).

101212212122 is an equidigital number, since it uses as much as digits as its factorization.

101212212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866125.

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

Adding to 101212212122 its reverse (221212212101), we get a palindrome (322424424223).

The spelling of 101212212122 in words is "one hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-two".