1211000111102 has 8 divisors (see below), whose sum is σ = 1816828842576. Its totient is φ = 605390496912.

The previous prime is 1211000111093. The next prime is 1211000111171. The reversal of 1211000111102 is 2011110001121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54765503 + ... + 54787610.

It is an arithmetic number, because the mean of its divisors is an integer number (227103605322).

Almost surely, 2^{1211000111102} is an apocalyptic number.

1211000111102 is a deficient number, since it is larger than the sum of its proper divisors (605828731474).

1211000111102 is a wasteful number, since it uses less digits than its factorization.

1211000111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109558642.

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

Adding to 1211000111102 its reverse (2011110001121), we get a palindrome (3222110112223).

The spelling of 1211000111102 in words is "one trillion, two hundred eleven billion, one hundred eleven thousand, one hundred two".