210001110110100 has 108 divisors (see below), whose sum is σ = 660613119879804. Its totient is φ = 55798128829440.

The previous prime is 210001110110093. The next prime is 210001110110119. The reversal of 210001110110100 is 1011011100012.

It can be written as a sum of positive squares in 6 ways, for example, as 5467235356944 + 204533874753156 = 2338212^2 + 14301534^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 420932229 + ... + 421430828.

Almost surely, 2^{210001110110100} is an apocalyptic number.

210001110110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001110110100 is an abundant number, since it is smaller than the sum of its proper divisors (450612009769704).

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

210001110110100 is a wasteful number, since it uses less digits than its factorization.

210001110110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842363354 (or 842363344 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 210001110110100 its reverse (1011011100012), we get a palindrome (211012121210112).

The spelling of 210001110110100 in words is "two hundred ten trillion, one billion, one hundred ten million, one hundred ten thousand, one hundred".