211101210202 has 16 divisors (see below), whose sum is σ = 319398593832. Its totient is φ = 104637116160.

The previous prime is 211101210161. The next prime is 211101210211. The reversal of 211101210202 is 202012101112.

211101210202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 207178818561 + 3922391641 = 455169^2 + 62629^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324699 + ... + 726382.

Almost surely, 2^211101210202 is an apocalyptic number.

211101210202 is a deficient number, since it is larger than the sum of its proper divisors (108297383630).

211101210202 is a wasteful number, since it uses less digits than its factorization.

211101210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051953.

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

Adding to 211101210202 its reverse (202012101112), we get a palindrome (413113311314).

The spelling of 211101210202 in words is "two hundred eleven billion, one hundred one million, two hundred ten thousand, two hundred two".