101212120222 has 4 divisors (see below), whose sum is σ = 151818180336. Its totient is φ = 50606060110.

The previous prime is 101212120213. The next prime is 101212120231. The reversal of 101212120222 is 222021212101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (101212120213) and next prime (101212120231).

It is a junction number, because it is equal to n+sod(n) for n = 101212120196 and 101212120205.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25303030054 + ... + 25303030057.

It is an arithmetic number, because the mean of its divisors is an integer number (37954545084).

Almost surely, 2^101212120222 is an apocalyptic number.

101212120222 is a deficient number, since it is larger than the sum of its proper divisors (50606060114).

101212120222 is an equidigital number, since it uses as much as digits as its factorization.

101212120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50606060113.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101212120222 its reverse (222021212101), we get a palindrome (323233332323).

The spelling of 101212120222 in words is "one hundred one billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-two".