210021101101100 has 36 divisors (see below), whose sum is σ = 455759677237704. Its totient is φ = 84005880468480.

The previous prime is 210021101101037. The next prime is 210021101101127. The reversal of 210021101101100 is 1101101120012.

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 11 ways as a sum of consecutive naturals, for example, 28699934 + ... + 35266533.

Almost surely, 2^{210021101101100} is an apocalyptic number.

210021101101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210021101101100 is an abundant number, since it is smaller than the sum of its proper divisors (245738576136604).

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

210021101101100 is a wasteful number, since it uses less digits than its factorization.

210021101101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63999314 (or 63999307 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210021101101100 its reverse (1101101120012), we get a palindrome (211122202221112).

The spelling of 210021101101100 in words is "two hundred ten trillion, twenty-one billion, one hundred one million, one hundred one thousand, one hundred".