210112211016 has 24 divisors (see below), whose sum is σ = 569053905030. Its totient is φ = 70037403648.

The previous prime is 210112211009. The next prime is 210112211017. The reversal of 210112211016 is 610112211012.

It can be written as a sum of positive squares in only one way, i.e., 197354508516 + 12757702500 = 444246^2 + 112950^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×210112211016² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 210112211016.

It is not an unprimeable number, because it can be changed into a prime (210112211017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1459112505 + ... + 1459112648.

Almost surely, 2^210112211016 is an apocalyptic number.

It is an amenable number.

210112211016 is an abundant number, since it is smaller than the sum of its proper divisors (358941694014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210112211016 is a wasteful number, since it uses less digits than its factorization.

210112211016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918225165 (or 2918225158 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 210112211016 its reverse (610112211012), we get a palindrome (820224422028).

The spelling of 210112211016 in words is "two hundred ten billion, one hundred twelve million, two hundred eleven thousand, sixteen".