1021532250021 has 8 divisors (see below), whose sum is σ = 1362172748064. Its totient is φ = 680956626000.

The previous prime is 1021532249987. The next prime is 1021532250023. The reversal of 1021532250021 is 1200522351201.

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

It is not a de Polignac number, because 1021532250021 - 2⁹ = 1021532249509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021532249973 and 1021532250000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021532250023) 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, 16181751 + ... + 16244756.

It is an arithmetic number, because the mean of its divisors is an integer number (170271593508).

Almost surely, 2^{1021532250021} is an apocalyptic number.

It is an amenable number.

1021532250021 is a deficient number, since it is larger than the sum of its proper divisors (340640498043).

1021532250021 is a wasteful number, since it uses less digits than its factorization.

1021532250021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32437011.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 1021532250021 in words is "one trillion, twenty-one billion, five hundred thirty-two million, two hundred fifty thousand, twenty-one".