1021420331301 has 4 divisors (see below), whose sum is σ = 1361893775072. Its totient is φ = 680946887532.

The previous prime is 1021420331293. The next prime is 1021420331387. The reversal of 1021420331301 is 1031330241201.

1021420331301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1021420331301 - 2³ = 1021420331293 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 (1021420331201) 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, 170236721881 + ... + 170236721886.

It is an arithmetic number, because the mean of its divisors is an integer number (340473443768).

Almost surely, 2^{1021420331301} is an apocalyptic number.

It is an amenable number.

1021420331301 is a deficient number, since it is larger than the sum of its proper divisors (340473443771).

1021420331301 is an equidigital number, since it uses as much as digits as its factorization.

1021420331301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340473443770.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1021420331301 its reverse (1031330241201), we get a palindrome (2052750572502).

The spelling of 1021420331301 in words is "one trillion, twenty-one billion, four hundred twenty million, three hundred thirty-one thousand, three hundred one".