210100011100100 has 54 divisors (see below), whose sum is σ = 501131935595802. Its totient is φ = 76400004032000.

The previous prime is 210100011100093. The next prime is 210100011100123. The reversal of 210100011100100 is 1001110001012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17607473407876 + 192492537692224 = 4196126^2 + 13874168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8681806541 + ... + 8681830740.

Almost surely, 2^{210100011100100} is an apocalyptic number.

210100011100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100011100100 is an abundant number, since it is smaller than the sum of its proper divisors (291031924495702).

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

210100011100100 is a wasteful number, since it uses less digits than its factorization.

210100011100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363637317 (or 17363637299 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 210100011100100 its reverse (1001110001012), we get a palindrome (211101121101112).

The spelling of 210100011100100 in words is "two hundred ten trillion, one hundred billion, eleven million, one hundred thousand, one hundred".