1012222110021 has 8 divisors (see below), whose sum is σ = 1349808910560. Its totient is φ = 674725024752.

The previous prime is 1012222110019. The next prime is 1012222110083. The reversal of 1012222110021 is 1200112222101.

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

It is not a de Polignac number, because 1012222110021 - 2¹ = 1012222110019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222117021) 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, 22402486 + ... + 22447623.

It is an arithmetic number, because the mean of its divisors is an integer number (168726113820).

Almost surely, 2^{1012222110021} is an apocalyptic number.

It is an amenable number.

1012222110021 is a deficient number, since it is larger than the sum of its proper divisors (337586800539).

1012222110021 is an equidigital number, since it uses as much as digits as its factorization.

1012222110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44857635.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012222110021 its reverse (1200112222101), we get a palindrome (2212334332122).

The spelling of 1012222110021 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred ten thousand, twenty-one".