101200021221202 has 4 divisors (see below), whose sum is σ = 151800031831806. Its totient is φ = 50600010610600.

The previous prime is 101200021221161. The next prime is 101200021221217. The reversal of 101200021221202 is 202122120002101.

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., 61142375170881 + 40057646050321 = 7819359^2 + 6329111^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300005305299 + ... + 25300005305302.

Almost surely, 2^{101200021221202} is an apocalyptic number.

101200021221202 is a deficient number, since it is larger than the sum of its proper divisors (50600010610604).

101200021221202 is an equidigital number, since it uses as much as digits as its factorization.

101200021221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50600010610603.

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

Adding to 101200021221202 its reverse (202122120002101), we get a palindrome (303322141223303).

The spelling of 101200021221202 in words is "one hundred one trillion, two hundred billion, twenty-one million, two hundred twenty-one thousand, two hundred two".