101220000122 has 4 divisors (see below), whose sum is σ = 151830000186. Its totient is φ = 50610000060.

The previous prime is 101220000121. The next prime is 101220000127. The reversal of 101220000122 is 221000022101.

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., 100837367401 + 382632721 = 317549^2 + 19561^2 .

It is not an unprimeable number, because it can be changed into a prime (101220000121) 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 as a sum of consecutive naturals, namely, 25305000029 + ... + 25305000032.

Almost surely, 2^101220000122 is an apocalyptic number.

101220000122 is a deficient number, since it is larger than the sum of its proper divisors (50610000064).

101220000122 is an equidigital number, since it uses as much as digits as its factorization.

101220000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50610000063.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101220000122 its reverse (221000022101), we get a palindrome (322220022223).

The spelling of 101220000122 in words is "one hundred one billion, two hundred twenty million, one hundred twenty-two", and thus it is an aban number.