1012110020221 has 8 divisors (see below), whose sum is σ = 1012428434880. Its totient is φ = 1011791669088.

The previous prime is 1012110019981. The next prime is 1012110020237. The reversal of 1012110020221 is 1220200112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012110020221 - 2¹³ = 1012110012029 is a prime.

It is a super-4 number, since 4×1012110020221⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012110020821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66635590 + ... + 66650776.

It is an arithmetic number, because the mean of its divisors is an integer number (126553554360).

Almost surely, 2^{1012110020221} is an apocalyptic number.

It is an amenable number.

1012110020221 is a deficient number, since it is larger than the sum of its proper divisors (318414659).

1012110020221 is an equidigital number, since it uses as much as digits as its factorization.

1012110020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31763.

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

Adding to 1012110020221 its reverse (1220200112101), we get a palindrome (2232310132322).

The spelling of 1012110020221 in words is "one trillion, twelve billion, one hundred ten million, twenty thousand, two hundred twenty-one".