10220221020122 has 4 divisors (see below), whose sum is σ = 15330331530186. Its totient is φ = 5110110510060.

The previous prime is 10220221020109. The next prime is 10220221020151. The reversal of 10220221020122 is 22102012202201.

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., 9282691656001 + 937529364121 = 3046751^2 + 968261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10220221020122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2555055255029 + ... + 2555055255032.

Almost surely, 2^{10220221020122} is an apocalyptic number.

10220221020122 is a deficient number, since it is larger than the sum of its proper divisors (5110110510064).

10220221020122 is an equidigital number, since it uses as much as digits as its factorization.

10220221020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110110510063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10220221020122 its reverse (22102012202201), we get a palindrome (32322233222323).

The spelling of 10220221020122 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, one hundred twenty-two".