1211102100110 has 24 divisors (see below), whose sum is σ = 2535899500440. Its totient is φ = 415235005584.

The previous prime is 1211102100077. The next prime is 1211102100139. The reversal of 1211102100110 is 110012011121.

It is a junction number, because it is equal to n+sod(n) for n = 1211102100091 and 1211102100100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1235817980 + ... + 1235818959.

It is an arithmetic number, because the mean of its divisors is an integer number (105662479185).

Almost surely, 2^{1211102100110} is an apocalyptic number.

1211102100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211102100110 is an abundant number, since it is smaller than the sum of its proper divisors (1324797400330).

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

1211102100110 is a wasteful number, since it uses less digits than its factorization.

1211102100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471636960 (or 2471636953 counting only the distinct ones).

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

Adding to 1211102100110 its reverse (110012011121), we get a palindrome (1321114111231).

The spelling of 1211102100110 in words is "one trillion, two hundred eleven billion, one hundred two million, one hundred thousand, one hundred ten".