10251153221 has 16 divisors (see below), whose sum is σ = 11091375360. Its totient is φ = 9437521920.

The previous prime is 10251153149. The next prime is 10251153251. The reversal of 10251153221 is 12235115201.

It is a cyclic number.

It is not a de Polignac number, because 10251153221 - 2¹⁴ = 10251136837 is a prime.

It is a super-2 number, since 2×10251153221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10251153251) 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, 2427650 + ... + 2431868.

It is an arithmetic number, because the mean of its divisors is an integer number (693210960).

Almost surely, 2^10251153221 is an apocalyptic number.

It is an amenable number.

10251153221 is a deficient number, since it is larger than the sum of its proper divisors (840222139).

10251153221 is a wasteful number, since it uses less digits than its factorization.

10251153221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 10251153221 its reverse (12235115201), we get a palindrome (22486268422).

The spelling of 10251153221 in words is "ten billion, two hundred fifty-one million, one hundred fifty-three thousand, two hundred twenty-one".