10221154501 has 8 divisors (see below), whose sum is σ = 10276283160. Its totient is φ = 10166059008.

The previous prime is 10221154499. The next prime is 10221154561. The reversal of 10221154501 is 10545112201.

It can be written as a sum of positive squares in 4 ways, for example, as 3994366401 + 6226788100 = 63201^2 + 78910^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10221154501 - 2¹ = 10221154499 is a prime.

It is a super-3 number, since 3×10221154501³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221154561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838885 + ... + 850981.

It is an arithmetic number, because the mean of its divisors is an integer number (1284535395).

Almost surely, 2^10221154501 is an apocalyptic number.

It is an amenable number.

10221154501 is a deficient number, since it is larger than the sum of its proper divisors (55128659).

10221154501 is a wasteful number, since it uses less digits than its factorization.

10221154501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16583.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 10221154501 its reverse (10545112201), we get a palindrome (20766266702).

The spelling of 10221154501 in words is "ten billion, two hundred twenty-one million, one hundred fifty-four thousand, five hundred one".