210022020112 has 20 divisors (see below), whose sum is σ = 406950499756. Its totient is φ = 105002536320.

The previous prime is 210022020107. The next prime is 210022020119. The reversal of 210022020112 is 211020220012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76361584896 + 133660435216 = 276336^2 + 365596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210022020092 and 210022020101.

It is not an unprimeable number, because it can be changed into a prime (210022020119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322683 + ... + 723994.

Almost surely, 2^210022020112 is an apocalyptic number.

It is an amenable number.

210022020112 is a deficient number, since it is larger than the sum of its proper divisors (196928479644).

210022020112 is a wasteful number, since it uses less digits than its factorization.

210022020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059226 (or 1059220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210022020112 its reverse (211020220012), we get a palindrome (421042240124).

The spelling of 210022020112 in words is "two hundred ten billion, twenty-two million, twenty thousand, one hundred twelve".