10521010401 has 16 divisors (see below), whose sum is σ = 15380198400. Its totient is φ = 6344323920.

The previous prime is 10521010387. The next prime is 10521010411. The reversal of 10521010401 is 10401012501.

It is a happy number.

It is not a de Polignac number, because 10521010401 - 2¹⁰ = 10521009377 is a prime.

It is a super-2 number, since 2×10521010401² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521010411) 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, 794485 + ... + 807618.

It is an arithmetic number, because the mean of its divisors is an integer number (961262400).

Almost surely, 2^10521010401 is an apocalyptic number.

10521010401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10521010401 is a deficient number, since it is larger than the sum of its proper divisors (4859187999).

10521010401 is a wasteful number, since it uses less digits than its factorization.

10521010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602316.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 10521010401 its reverse (10401012501), we get a palindrome (20922022902).

The spelling of 10521010401 in words is "ten billion, five hundred twenty-one million, ten thousand, four hundred one".