10121222220202 has 16 divisors (see below), whose sum is σ = 15294734431200. Its totient is φ = 5023057739472.

The previous prime is 10121222220199. The next prime is 10121222220203. The reversal of 10121222220202 is 20202222212101.

It is a self number, because there is not a number n which added to its sum of digits gives 10121222220202.

It is not an unprimeable number, because it can be changed into a prime (10121222220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19829952 + ... + 20333947.

It is an arithmetic number, because the mean of its divisors is an integer number (955920901950).

Almost surely, 2^{10121222220202} is an apocalyptic number.

10121222220202 is a deficient number, since it is larger than the sum of its proper divisors (5173512210998).

10121222220202 is a wasteful number, since it uses less digits than its factorization.

10121222220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40164837.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10121222220202 its reverse (20202222212101), we get a palindrome (30323444432303).

The spelling of 10121222220202 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, two hundred two".