221010000012112 has 10 divisors (see below), whose sum is σ = 428206875023498. Its totient is φ = 110505000006048.

The previous prime is 221010000012091. The next prime is 221010000012209. The reversal of 221010000012112 is 211210000010122.

It can be written as a sum of positive squares in only one way, i.e., 114559689001536 + 106450311010576 = 10703256^2 + 10317476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221010000012092 and 221010000012101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906562500363 + ... + 6906562500394.

Almost surely, 2^{221010000012112} is an apocalyptic number.

It is an amenable number.

221010000012112 is a deficient number, since it is larger than the sum of its proper divisors (207196875011386).

221010000012112 is a wasteful number, since it uses less digits than its factorization.

221010000012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813125000765 (or 13813125000759 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221010000012112 its reverse (211210000010122), we get a palindrome (432220000022234).

The spelling of 221010000012112 in words is "two hundred twenty-one trillion, ten billion, twelve thousand, one hundred twelve".