21010145301 has 24 divisors (see below), whose sum is σ = 31401470880. Its totient is φ = 13520756256.

The previous prime is 21010145297. The next prime is 21010145309. The reversal of 21010145301 is 10354101012.

21010145301 is a `hidden beast` number, since 210 + 1 + 0 + 1 + 453 + 0 + 1 = 666.

It is not a de Polignac number, because 21010145301 - 2² = 21010145297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010145309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2278366 + ... + 2287568.

It is an arithmetic number, because the mean of its divisors is an integer number (1308394620).

Almost surely, 2^21010145301 is an apocalyptic number.

It is an amenable number.

21010145301 is a deficient number, since it is larger than the sum of its proper divisors (10391325579).

21010145301 is a wasteful number, since it uses less digits than its factorization.

21010145301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17985 (or 17982 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 21010145301 its reverse (10354101012), we get a palindrome (31364246313).

The spelling of 21010145301 in words is "twenty-one billion, ten million, one hundred forty-five thousand, three hundred one".