1020313521201 has 16 divisors (see below), whose sum is σ = 1515585072960. Its totient is φ = 606234027840.

The previous prime is 1020313521193. The next prime is 1020313521229. The reversal of 1020313521201 is 1021253130201.

It is not a de Polignac number, because 1020313521201 - 2³ = 1020313521193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1025313521201) 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, 451065855 + ... + 451068116.

It is an arithmetic number, because the mean of its divisors is an integer number (94724067060).

Almost surely, 2^{1020313521201} is an apocalyptic number.

It is an amenable number.

1020313521201 is a deficient number, since it is larger than the sum of its proper divisors (495271551759).

1020313521201 is a wasteful number, since it uses less digits than its factorization.

1020313521201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902134016.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1020313521201 its reverse (1021253130201), we get a palindrome (2041566651402).

The spelling of 1020313521201 in words is "one trillion, twenty billion, three hundred thirteen million, five hundred twenty-one thousand, two hundred one".