1210102211111 has 8 divisors (see below), whose sum is σ = 1222710008448. Its totient is φ = 1197506700000.

The previous prime is 1210102211093. The next prime is 1210102211177. The reversal of 1210102211111 is 1111122010121.

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 1210102211111 - 2¹⁴ = 1210102194727 is a prime.

It is a super-2 number, since 2×1210102211111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210102211611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873480 + ... + 3267581.

It is an arithmetic number, because the mean of its divisors is an integer number (152838751056).

Almost surely, 2^{1210102211111} is an apocalyptic number.

1210102211111 is a deficient number, since it is larger than the sum of its proper divisors (12607797337).

1210102211111 is a wasteful number, since it uses less digits than its factorization.

1210102211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143113.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1210102211111 its reverse (1111122010121), we get a palindrome (2321224221232).

The spelling of 1210102211111 in words is "one trillion, two hundred ten billion, one hundred two million, two hundred eleven thousand, one hundred eleven".