10521222554000 has 160 divisors (see below), whose sum is σ = 25994183230080. Its totient is φ = 4117541568000.

The previous prime is 10521222553981. The next prime is 10521222554023. The reversal of 10521222554000 is 45522212501.

It is a happy number.

It is a super-2 number, since 2×10521222554000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24686714 + ... + 25109286.

It is an arithmetic number, because the mean of its divisors is an integer number (162463645188).

Almost surely, 2^{10521222554000} is an apocalyptic number.

10521222554000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10521222554000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12997091615040).

10521222554000 is an abundant number, since it is smaller than the sum of its proper divisors (15472960676080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10521222554000 is a wasteful number, since it uses less digits than its factorization.

10521222554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422866 (or 422850 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 10521222554000 its reverse (45522212501), we get a palindrome (10566744766501).

The spelling of 10521222554000 in words is "ten trillion, five hundred twenty-one billion, two hundred twenty-two million, five hundred fifty-four thousand".