1010120102221 has 4 divisors (see below), whose sum is σ = 1013847482944. Its totient is φ = 1006392721500.

The previous prime is 1010120102207. The next prime is 1010120102249. The reversal of 1010120102221 is 1222010210101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010120102221 - 2⁷ = 1010120102093 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 (1010120102261) 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 3 ways as a sum of consecutive naturals, for example, 1863689955 + ... + 1863690496.

It is an arithmetic number, because the mean of its divisors is an integer number (253461870736).

Almost surely, 2^{1010120102221} is an apocalyptic number.

It is an amenable number.

1010120102221 is a deficient number, since it is larger than the sum of its proper divisors (3727380723).

1010120102221 is an equidigital number, since it uses as much as digits as its factorization.

1010120102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727380722.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1010120102221 its reverse (1222010210101), we get a palindrome (2232130312322).

The spelling of 1010120102221 in words is "one trillion, ten billion, one hundred twenty million, one hundred two thousand, two hundred twenty-one".