210021222210112 has 28 divisors (see below), whose sum is σ = 417161980243840. Its totient is φ = 104909542148736.

The previous prime is 210021222210101. The next prime is 210021222210197. The reversal of 210021222210112 is 211012222120012.

It is a self number, because there is not a number n which added to its sum of digits gives 210021222210112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579135428 + ... + 1579268419.

Almost surely, 2^{210021222210112} is an apocalyptic number.

It is an amenable number.

210021222210112 is a deficient number, since it is larger than the sum of its proper divisors (207140758033728).

210021222210112 is a wasteful number, since it uses less digits than its factorization.

210021222210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158404898 (or 3158404888 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210021222210112 its reverse (211012222120012), we get a palindrome (421033444330124).

The spelling of 210021222210112 in words is "two hundred ten trillion, twenty-one billion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".