211020212100202 has 16 divisors (see below), whose sum is σ = 329944738068000. Its totient is φ = 101094178996720.

The previous prime is 211020212100149. The next prime is 211020212100221. The reversal of 211020212100202 is 202001212020112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13886555452 + ... + 13886570647.

It is an arithmetic number, because the mean of its divisors is an integer number (20621546129250).

Almost surely, 2^{211020212100202} is an apocalyptic number.

211020212100202 is a deficient number, since it is larger than the sum of its proper divisors (118924525967798).

211020212100202 is a wasteful number, since it uses less digits than its factorization.

211020212100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27773126261.

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

Adding to 211020212100202 its reverse (202001212020112), we get a palindrome (413021424120314).

The spelling of 211020212100202 in words is "two hundred eleven trillion, twenty billion, two hundred twelve million, one hundred thousand, two hundred two".