101212022122 has 4 divisors (see below), whose sum is σ = 151818033186. Its totient is φ = 50606011060.

The previous prime is 101212022117. The next prime is 101212022167. The reversal of 101212022122 is 221220212101.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 90264794481 + 10947227641 = 300441^2 + 104629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101212022096 and 101212022105.

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, 25303005529 + ... + 25303005532.

Almost surely, 2^101212022122 is an apocalyptic number.

101212022122 is a deficient number, since it is larger than the sum of its proper divisors (50606011064).

101212022122 is an equidigital number, since it uses as much as digits as its factorization.

101212022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50606011063.

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

Adding to 101212022122 its reverse (221220212101), we get a palindrome (322432234223).

The spelling of 101212022122 in words is "one hundred one billion, two hundred twelve million, twenty-two thousand, one hundred twenty-two".