1022245403021 has 6 divisors (see below), whose sum is σ = 1039278251466. Its totient is φ = 1005487278000.

The previous prime is 1022245402999. The next prime is 1022245403057. The reversal of 1022245403021 is 1203045422201.

1022245403021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5142897796 + 1017102505225 = 71714^2 + 1008515^2 .

It is not a de Polignac number, because 1022245403021 - 2¹⁸ = 1022245140877 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 (1022245423021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137357930 + ... + 137365371.

It is an arithmetic number, because the mean of its divisors is an integer number (173213041911).

Almost surely, 2^{1022245403021} is an apocalyptic number.

It is an amenable number.

1022245403021 is a deficient number, since it is larger than the sum of its proper divisors (17032848445).

1022245403021 is an frugal number, since it uses more digits than its factorization.

1022245403021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274723423 (or 274723362 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 1022245403021 in words is "one trillion, twenty-two billion, two hundred forty-five million, four hundred three thousand, twenty-one".