201421112 has 8 divisors (see below), whose sum is σ = 377664600. Its totient is φ = 100710552.

The previous prime is 201421093. The next prime is 201421123. The reversal of 201421112 is 211124102.

It is a happy number.

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

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, 12588812 + ... + 12588827.

It is an arithmetic number, because the mean of its divisors is an integer number (47208075).

Almost surely, 2^201421112 is an apocalyptic number.

It is an amenable number.

201421112 is a deficient number, since it is larger than the sum of its proper divisors (176243488).

201421112 is a wasteful number, since it uses less digits than its factorization.

201421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25177645 (or 25177641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 201421112 is about 14192.2905832709. The cubic root of 201421112 is about 586.1853987490.

Adding to 201421112 its reverse (211124102), we get a palindrome (412545214).

The spelling of 201421112 in words is "two hundred one million, four hundred twenty-one thousand, one hundred twelve".