213001112 has 8 divisors (see below), whose sum is σ = 399377100. Its totient is φ = 106500552.

The previous prime is 213001073. The next prime is 213001121. The reversal of 213001112 is 211100312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 213001093 and 213001102.

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, 13312562 + ... + 13312577.

Almost surely, 2^213001112 is an apocalyptic number.

It is an amenable number.

213001112 is a deficient number, since it is larger than the sum of its proper divisors (186375988).

213001112 is a wasteful number, since it uses less digits than its factorization.

213001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26625145 (or 26625141 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 213001112 is about 14594.5576157690. The cubic root of 213001112 is about 597.2103012558.

Adding to 213001112 its reverse (211100312), we get a palindrome (424101424).

The spelling of 213001112 in words is "two hundred thirteen million, one thousand, one hundred twelve".