260101020001 has 9 divisors (see below), whose sum is σ = 261386915121. Its totient is φ = 258821427492.

The previous prime is 260101019993. The next prime is 260101020037. The reversal of 260101020001 is 100020101062.

The square root of 260101020001 is 510001.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 260101020001 - 2³ = 260101019993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260101020041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 113729080 + ... + 113731366.

It is an arithmetic number, because the mean of its divisors is an integer number (29042990569).

Almost surely, 2^260101020001 is an apocalyptic number.

260101020001 is the 510001-st square number.

260101020001 is the 255001-st centered octagonal number.

It is an amenable number.

260101020001 is a deficient number, since it is larger than the sum of its proper divisors (1285895120).

260101020001 is an frugal number, since it uses more digits than its factorization.

260101020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 260101020001 its reverse (100020101062), we get a palindrome (360121121063).

The spelling of 260101020001 in words is "two hundred sixty billion, one hundred one million, twenty thousand, one".