1210200010110 has 144 divisors (see below), whose sum is σ = 3941794505376. Its totient is φ = 255338891136.

The previous prime is 1210200010003. The next prime is 1210200010121. The reversal of 1210200010110 is 110100020121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1210200010092 and 1210200010101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10497354 + ... + 10612013.

It is an arithmetic number, because the mean of its divisors is an integer number (27373572954).

Almost surely, 2^{1210200010110} is an apocalyptic number.

1210200010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210200010110 is an abundant number, since it is smaller than the sum of its proper divisors (2731594495266).

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

1210200010110 is a wasteful number, since it uses less digits than its factorization.

1210200010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109407 (or 21109397 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1210200010110 its reverse (110100020121), we get a palindrome (1320300030231).

The spelling of 1210200010110 in words is "one trillion, two hundred ten billion, two hundred million, ten thousand, one hundred ten".