21035001301 has 16 divisors (see below), whose sum is σ = 21584309760. Its totient is φ = 20491885440.

The previous prime is 21035001277. The next prime is 21035001359. The reversal of 21035001301 is 10310053012.

It is a cyclic number.

It is not a de Polignac number, because 21035001301 - 2⁵ = 21035001269 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 (21035071301) 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, 4493280 + ... + 4497958.

It is an arithmetic number, because the mean of its divisors is an integer number (1349019360).

Almost surely, 2^21035001301 is an apocalyptic number.

It is an amenable number.

21035001301 is a deficient number, since it is larger than the sum of its proper divisors (549308459).

21035001301 is a wasteful number, since it uses less digits than its factorization.

21035001301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 21035001301 its reverse (10310053012), we get a palindrome (31345054313).

The spelling of 21035001301 in words is "twenty-one billion, thirty-five million, one thousand, three hundred one".