101220202201122 has 24 divisors (see below), whose sum is σ = 219457330617564. Its totient is φ = 33717468551904.

The previous prime is 101220202201121. The next prime is 101220202201187. The reversal of 101220202201122 is 221102202022101.

It is a happy number.

101220202201122 is a `hidden beast` number, since 101 + 220 + 2 + 0 + 220 + 1 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 92234722339881 + 8985479861241 = 9603891^2 + 2997579^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101220202201095 and 101220202201104.

It is not an unprimeable number, because it can be changed into a prime (101220202201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1883209753 + ... + 1883263500.

Almost surely, 2^{101220202201122} is an apocalyptic number.

101220202201122 is an abundant number, since it is smaller than the sum of its proper divisors (118237128416442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220202201122 is a wasteful number, since it uses less digits than its factorization.

101220202201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766474754 (or 3766474751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101220202201122 its reverse (221102202022101), we get a palindrome (322322404223223).

The spelling of 101220202201122 in words is "one hundred one trillion, two hundred twenty billion, two hundred two million, two hundred one thousand, one hundred twenty-two".