101201220202 has 4 divisors (see below), whose sum is σ = 151801830306. Its totient is φ = 50600610100.

The previous prime is 101201220199. The next prime is 101201220203. The reversal of 101201220202 is 202022102101.

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., 78439765041 + 22761455161 = 280071^2 + 150869^2 .

It is not an unprimeable number, because it can be changed into a prime (101201220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300305049 + ... + 25300305052.

Almost surely, 2^101201220202 is an apocalyptic number.

101201220202 is a deficient number, since it is larger than the sum of its proper divisors (50600610104).

101201220202 is an equidigital number, since it uses as much as digits as its factorization.

101201220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50600610103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101201220202 its reverse (202022102101), we get a palindrome (303223322303).

The spelling of 101201220202 in words is "one hundred one billion, two hundred one million, two hundred twenty thousand, two hundred two".