10221012056 has 16 divisors (see below), whose sum is σ = 19165494240. Its totient is φ = 5110213600.

The previous prime is 10221012049. The next prime is 10221012071. The reversal of 10221012056 is 65021012201.

It is a super-3 number, since 3×10221012056³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209105 + ... + 253311.

It is an arithmetic number, because the mean of its divisors is an integer number (1197843390).

Almost surely, 2^10221012056 is an apocalyptic number.

It is an amenable number.

10221012056 is a deficient number, since it is larger than the sum of its proper divisors (8944482184).

10221012056 is a wasteful number, since it uses less digits than its factorization.

10221012056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73114 (or 73110 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 10221012056 its reverse (65021012201), we get a palindrome (75242024257).

The spelling of 10221012056 in words is "ten billion, two hundred twenty-one million, twelve thousand, fifty-six".