210021022020112 has 10 divisors (see below), whose sum is σ = 406915730163998. Its totient is φ = 105010511010048.

The previous prime is 210021022020071. The next prime is 210021022020133. The reversal of 210021022020112 is 211020220120012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 107624108633616 + 102396913386496 = 10374204^2 + 10119136^2 .

It is a super-3 number, since 3×210021022020112³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 13126313876257 = 210021022020112 / (2 + 1 + 0 + 0 + 2 + 1 + 0 + 2 + 2 + 0 + 2 + 0 + 1 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563156938113 + ... + 6563156938144.

Almost surely, 2^{210021022020112} is an apocalyptic number.

It is an amenable number.

210021022020112 is a deficient number, since it is larger than the sum of its proper divisors (196894708143886).

210021022020112 is a wasteful number, since it uses less digits than its factorization.

210021022020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13126313876265 (or 13126313876259 counting only the distinct ones).

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

Adding to 210021022020112 its reverse (211020220120012), we get a palindrome (421041242140124).

The spelling of 210021022020112 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, twenty thousand, one hundred twelve".