10021531125133 has 16 divisors (see below), whose sum is σ = 11408153882112. Its totient is φ = 8714187790000.

The previous prime is 10021531125107. The next prime is 10021531125157. The reversal of 10021531125133 is 33152113512001.

It is not a de Polignac number, because 10021531125133 - 2²¹ = 10021529027981 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 (10021531125233) 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, 12110598 + ... + 12911608.

It is an arithmetic number, because the mean of its divisors is an integer number (713009617632).

Almost surely, 2^{10021531125133} is an apocalyptic number.

It is an amenable number.

10021531125133 is a deficient number, since it is larger than the sum of its proper divisors (1386622756979).

10021531125133 is a wasteful number, since it uses less digits than its factorization.

10021531125133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850496.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 10021531125133 its reverse (33152113512001), we get a palindrome (43173644637134).

The spelling of 10021531125133 in words is "ten trillion, twenty-one billion, five hundred thirty-one million, one hundred twenty-five thousand, one hundred thirty-three".