10221312112 has 20 divisors (see below), whose sum is σ = 21604137336. Its totient is φ = 4646050880.

The previous prime is 10221312103. The next prime is 10221312121. The reversal of 10221312112 is 21121312201.

It is an interprime number because it is at equal distance from previous prime (10221312103) and next prime (10221312121).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 29037643 + ... + 29037994.

Almost surely, 2^10221312112 is an apocalyptic number.

It is an amenable number.

10221312112 is an abundant number, since it is smaller than the sum of its proper divisors (11382825224).

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

10221312112 is a wasteful number, since it uses less digits than its factorization.

10221312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58075656 (or 58075650 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10221312112 its reverse (21121312201), we get a palindrome (31342624313).

The spelling of 10221312112 in words is "ten billion, two hundred twenty-one million, three hundred twelve thousand, one hundred twelve".