210201220021112 has 8 divisors (see below), whose sum is σ = 394127287539600. Its totient is φ = 105100610010552.

The previous prime is 210201220021097. The next prime is 210201220021153. The reversal of 210201220021112 is 211120022102012.

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, 13137576251312 + ... + 13137576251327.

It is an arithmetic number, because the mean of its divisors is an integer number (49265910942450).

Almost surely, 2^{210201220021112} is an apocalyptic number.

It is an amenable number.

210201220021112 is a deficient number, since it is larger than the sum of its proper divisors (183926067518488).

210201220021112 is a wasteful number, since it uses less digits than its factorization.

210201220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26275152502645 (or 26275152502641 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210201220021112 its reverse (211120022102012), we get a palindrome (421321242123124).

The spelling of 210201220021112 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty million, twenty-one thousand, one hundred twelve".