1200102012111 has 8 divisors (see below), whose sum is σ = 1622673143424. Its totient is φ = 788799444440.

The previous prime is 1200102012107. The next prime is 1200102012133. The reversal of 1200102012111 is 1112102010021.

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 1200102012111 - 2² = 1200102012107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102012101) 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, 2817140661 + ... + 2817141086.

It is an arithmetic number, because the mean of its divisors is an integer number (202834142928).

Almost surely, 2^{1200102012111} is an apocalyptic number.

1200102012111 is a deficient number, since it is larger than the sum of its proper divisors (422571131313).

1200102012111 is an equidigital number, since it uses as much as digits as its factorization.

1200102012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634281821.

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

Adding to 1200102012111 its reverse (1112102010021), we get a palindrome (2312204022132).

The spelling of 1200102012111 in words is "one trillion, two hundred billion, one hundred two million, twelve thousand, one hundred eleven".