1210100311111 has 8 divisors (see below), whose sum is σ = 1215338027904. Its totient is φ = 1204862972160.

The previous prime is 1210100311067. The next prime is 1210100311127. The reversal of 1210100311111 is 1111130010121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210100311111 - 2⁹ = 1210100310599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210100311091 and 1210100311100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210100311151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7717866 + ... + 7873096.

It is an arithmetic number, because the mean of its divisors is an integer number (151917253488).

Almost surely, 2^{1210100311111} is an apocalyptic number.

1210100311111 is a deficient number, since it is larger than the sum of its proper divisors (5237716793).

1210100311111 is a wasteful number, since it uses less digits than its factorization.

1210100311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188921.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1210100311111 its reverse (1111130010121), we get a palindrome (2321230321232).

The spelling of 1210100311111 in words is "one trillion, two hundred ten billion, one hundred million, three hundred eleven thousand, one hundred eleven".