12102111002111 has 16 divisors (see below), whose sum is σ = 13135230160416. Its totient is φ = 11083928910336.

The previous prime is 12102111002101. The next prime is 12102111002119. The reversal of 12102111002111 is 11120011120121.

It is a cyclic number.

It is not a de Polignac number, because 12102111002111 - 2²² = 12102106807807 is a prime.

It is a super-2 number, since 2×12102111002111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102111002119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6201830 + ... + 7916243.

It is an arithmetic number, because the mean of its divisors is an integer number (820951885026).

Almost surely, 2^{12102111002111} is an apocalyptic number.

12102111002111 is a deficient number, since it is larger than the sum of its proper divisors (1033119158305).

12102111002111 is a wasteful number, since it uses less digits than its factorization.

12102111002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14118602.

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

Adding to 12102111002111 its reverse (11120011120121), we get a palindrome (23222122122232).

The spelling of 12102111002111 in words is "twelve trillion, one hundred two billion, one hundred eleven million, two thousand, one hundred eleven".