221000010120112 has 20 divisors (see below), whose sum is σ = 437297892366816. Its totient is φ = 108148941122240.

The previous prime is 221000010120079. The next prime is 221000010120121. The reversal of 221000010120112 is 211021010000122.

It is a junction number, because it is equal to n+sod(n) for n = 221000010120092 and 221000010120101.

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, 146941495339 + ... + 146941496842.

Almost surely, 2^{221000010120112} is an apocalyptic number.

It is an amenable number.

221000010120112 is a deficient number, since it is larger than the sum of its proper divisors (216297882246704).

221000010120112 is a wasteful number, since it uses less digits than its factorization.

221000010120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293882992236 (or 293882992230 counting only the distinct ones).

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

Adding to 221000010120112 its reverse (211021010000122), we get a palindrome (432021020120234).

The spelling of 221000010120112 in words is "two hundred twenty-one trillion, ten million, one hundred twenty thousand, one hundred twelve".