1021241022213 has 16 divisors (see below), whose sum is σ = 1380886553600. Its totient is φ = 671236366320.

The previous prime is 1021241022209. The next prime is 1021241022223. The reversal of 1021241022213 is 3122201421201.

It is a happy number.

It is not a de Polignac number, because 1021241022213 - 2² = 1021241022209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021241022213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021241022223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2954203 + ... + 3281736.

It is an arithmetic number, because the mean of its divisors is an integer number (86305409600).

Almost surely, 2^{1021241022213} is an apocalyptic number.

It is an amenable number.

1021241022213 is a deficient number, since it is larger than the sum of its proper divisors (359645531387).

1021241022213 is an equidigital number, since it uses as much as digits as its factorization.

1021241022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236712.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1021241022213 its reverse (3122201421201), we get a palindrome (4143442443414).

The spelling of 1021241022213 in words is "one trillion, twenty-one billion, two hundred forty-one million, twenty-two thousand, two hundred thirteen".