10221745142 has 16 divisors (see below), whose sum is σ = 18553756320. Its totient is φ = 4123056768.

The previous prime is 10221745109. The next prime is 10221745189. The reversal of 10221745142 is 24154712201.

It is a congruent number.

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, 21474017 + ... + 21474492.

It is an arithmetic number, because the mean of its divisors is an integer number (1159609770).

Almost surely, 2^10221745142 is an apocalyptic number.

10221745142 is a deficient number, since it is larger than the sum of its proper divisors (8332011178).

10221745142 is a wasteful number, since it uses less digits than its factorization.

10221745142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42948535.

The product of its (nonzero) digits is 4480, while the sum is 29.

The spelling of 10221745142 in words is "ten billion, two hundred twenty-one million, seven hundred forty-five thousand, one hundred forty-two".