210101020110202 has 16 divisors (see below), whose sum is σ = 340876025247240. Its totient is φ = 96546253108032.

The previous prime is 210101020110197. The next prime is 210101020110253. The reversal of 210101020110202 is 202011020101012.

It can be written as a sum of positive squares in 4 ways, for example, as 188799389104041 + 21301631006161 = 13740429^2 + 4615369^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17643680653 + ... + 17643692560.

Almost surely, 2^{210101020110202} is an apocalyptic number.

210101020110202 is a deficient number, since it is larger than the sum of its proper divisors (130775005137038).

210101020110202 is a wasteful number, since it uses less digits than its factorization.

210101020110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35287373457.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210101020110202 its reverse (202011020101012), we get a palindrome (412112040211214).

The spelling of 210101020110202 in words is "two hundred ten trillion, one hundred one billion, twenty million, one hundred ten thousand, two hundred two".