221010100112 has 10 divisors (see below), whose sum is σ = 428207068998. Its totient is φ = 110505050048.

The previous prime is 221010100099. The next prime is 221010100211. The reversal of 221010100112 is 211001010122.

It can be written as a sum of positive squares in only one way, i.e., 219882215056 + 1127885056 = 468916^2 + 33584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221010100093 and 221010100102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906565613 + ... + 6906565644.

Almost surely, 2^221010100112 is an apocalyptic number.

It is an amenable number.

221010100112 is a deficient number, since it is larger than the sum of its proper divisors (207196968886).

221010100112 is a wasteful number, since it uses less digits than its factorization.

221010100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813131265 (or 13813131259 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221010100112 its reverse (211001010122), we get a palindrome (432011110234).

The spelling of 221010100112 in words is "two hundred twenty-one billion, ten million, one hundred thousand, one hundred twelve".