1211100002110 has 32 divisors (see below), whose sum is σ = 2189112210432. Its totient is φ = 482411412000.

The previous prime is 1211100002089. The next prime is 1211100002117. The reversal of 1211100002110 is 112000011121.

It is a super-2 number, since 2×1211100002110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211100002117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12922479 + ... + 13015861.

It is an arithmetic number, because the mean of its divisors is an integer number (68409756576).

Almost surely, 2^{1211100002110} is an apocalyptic number.

1211100002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211100002110 is a deficient number, since it is larger than the sum of its proper divisors (978012208322).

1211100002110 is a wasteful number, since it uses less digits than its factorization.

1211100002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98808.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1211100002110 its reverse (112000011121), we get a palindrome (1323100013231).

The spelling of 1211100002110 in words is "one trillion, two hundred eleven billion, one hundred million, two thousand, one hundred ten".