1012110010221 has 8 divisors (see below), whose sum is σ = 1349486480160. Its totient is φ = 674736773552.

The previous prime is 1012110010169. The next prime is 1012110010229. The reversal of 1012110010221 is 1220100112101.

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 1012110010221 - 2³⁵ = 977750271853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012110010197 and 1012110010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012110010229) 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, 53290 + ... + 1423748.

It is an arithmetic number, because the mean of its divisors is an integer number (168685810020).

Almost surely, 2^{1012110010221} is an apocalyptic number.

It is an amenable number.

1012110010221 is a deficient number, since it is larger than the sum of its proper divisors (337376469939).

1012110010221 is a wasteful number, since it uses less digits than its factorization.

1012110010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616635.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012110010221 its reverse (1220100112101), we get a palindrome (2232210122322).

The spelling of 1012110010221 in words is "one trillion, twelve billion, one hundred ten million, ten thousand, two hundred twenty-one".