210120222112 has 12 divisors (see below), whose sum is σ = 413674187346. Its totient is φ = 105060111040.

The previous prime is 210120222101. The next prime is 210120222119. The reversal of 210120222112 is 211222021012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 190127393296 + 19992828816 = 436036^2 + 141396^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (210120222119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283128439 + ... + 3283128502.

Almost surely, 2^210120222112 is an apocalyptic number.

It is an amenable number.

210120222112 is a deficient number, since it is larger than the sum of its proper divisors (203553965234).

210120222112 is an equidigital number, since it uses as much as digits as its factorization.

210120222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566256951 (or 6566256943 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210120222112 its reverse (211222021012), we get a palindrome (421342243124).

The spelling of 210120222112 in words is "two hundred ten billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twelve".