202100212111010 has 16 divisors (see below), whose sum is σ = 366221860875000. Its totient is φ = 80297533938816.

The previous prime is 202100212110971. The next prime is 202100212111013. The reversal of 202100212111010 is 10111212001202.

It can be written as a sum of positive squares in 4 ways, for example, as 89054685260641 + 113045526850369 = 9436879^2 + 10632287^2 .

It is not an unprimeable number, because it can be changed into a prime (202100212111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67818861635 + ... + 67818864614.

Almost surely, 2^{202100212111010} is an apocalyptic number.

202100212111010 is a deficient number, since it is larger than the sum of its proper divisors (164121648763990).

202100212111010 is a wasteful number, since it uses less digits than its factorization.

202100212111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135637726405.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202100212111010 its reverse (10111212001202), we get a palindrome (212211424112212).

The spelling of 202100212111010 in words is "two hundred two trillion, one hundred billion, two hundred twelve million, one hundred eleven thousand, ten".