1010010120221 has 16 divisors (see below), whose sum is σ = 1109705401728. Its totient is φ = 915413452800.

The previous prime is 1010010120211. The next prime is 1010010120253. The reversal of 1010010120221 is 1220210100101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010010120221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010010120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9678260 + ... + 9782061.

It is an arithmetic number, because the mean of its divisors is an integer number (69356587608).

Almost surely, 2^{1010010120221} is an apocalyptic number.

It is an amenable number.

1010010120221 is a deficient number, since it is larger than the sum of its proper divisors (99695281507).

1010010120221 is a wasteful number, since it uses less digits than its factorization.

1010010120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19460452.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1010010120221 its reverse (1220210100101), we get a palindrome (2230220220322).

The spelling of 1010010120221 in words is "one trillion, ten billion, ten million, one hundred twenty thousand, two hundred twenty-one".