1021234321201 has 4 divisors (see below), whose sum is σ = 1022084642404. Its totient is φ = 1020384000000.

The previous prime is 1021234321199. The next prime is 1021234321207.

1021234321201 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 453925587600 + 567308733601 = 673740^2 + 753199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021234321201 - 2¹ = 1021234321199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021234321207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425158800 + ... + 425161201.

It is an arithmetic number, because the mean of its divisors is an integer number (255521160601).

Almost surely, 2^{1021234321201} is an apocalyptic number.

It is an amenable number.

1021234321201 is a deficient number, since it is larger than the sum of its proper divisors (850321203).

1021234321201 is an equidigital number, since it uses as much as digits as its factorization.

1021234321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850321202.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 1021234321201 in words is "one trillion, twenty-one billion, two hundred thirty-four million, three hundred twenty-one thousand, two hundred one".