21332250501411 has 16 divisors (see below), whose sum is σ = 28664429004288. Its totient is φ = 14110818789600.

The previous prime is 21332250501389. The next prime is 21332250501461. The reversal of 21332250501411 is 11410505223312.

It is a happy number.

It is not a de Polignac number, because 21332250501411 - 2⁷ = 21332250501283 is a prime.

It is a super-2 number, since 2×21332250501411² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21332250501461) 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, 1456731 + ... + 6692276.

It is an arithmetic number, because the mean of its divisors is an integer number (1791526812768).

Almost surely, 2^{21332250501411} is an apocalyptic number.

21332250501411 is a deficient number, since it is larger than the sum of its proper divisors (7332178502877).

21332250501411 is a wasteful number, since it uses less digits than its factorization.

21332250501411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155802.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 21332250501411 its reverse (11410505223312), we get a palindrome (32742755724723).

The spelling of 21332250501411 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred fifty million, five hundred one thousand, four hundred eleven".