10221502144 has 56 divisors (see below), whose sum is σ = 24544507680. Its totient is φ = 4122955776.

The previous prime is 10221502133. The next prime is 10221502157. The reversal of 10221502144 is 44120512201.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663439 + ... + 678670.

It is an arithmetic number, because the mean of its divisors is an integer number (438294780).

Almost surely, 2^10221502144 is an apocalyptic number.

10221502144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10221502144 is an abundant number, since it is smaller than the sum of its proper divisors (14323005536).

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

10221502144 is a wasteful number, since it uses less digits than its factorization.

10221502144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342145 (or 1342135 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The spelling of 10221502144 in words is "ten billion, two hundred twenty-one million, five hundred two thousand, one hundred forty-four".