1210002102111 has 8 divisors (see below), whose sum is σ = 1760003057664. Its totient is φ = 733334607320.

The previous prime is 1210002102107. The next prime is 1210002102139. The reversal of 1210002102111 is 1112012000121.

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 1210002102111 - 2² = 1210002102107 is a prime.

It is a super-2 number, since 2×1210002102111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210002102181) 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, 18333365151 + ... + 18333365216.

It is an arithmetic number, because the mean of its divisors is an integer number (220000382208).

Almost surely, 2^{1210002102111} is an apocalyptic number.

1210002102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210002102111 is a deficient number, since it is larger than the sum of its proper divisors (550000955553).

1210002102111 is a wasteful number, since it uses less digits than its factorization.

1210002102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36666730381.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1210002102111 its reverse (1112012000121), we get a palindrome (2322014102232).

The spelling of 1210002102111 in words is "one trillion, two hundred ten billion, two million, one hundred two thousand, one hundred eleven".