1200011102011 has 2 divisors, whose sum is σ = 1200011102012. Its totient is φ = 1200011102010.

The previous prime is 1200011101999. The next prime is 1200011102053. The reversal of 1200011102011 is 1102011100021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200011102011 - 2²⁵ = 1199977547579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200011102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600005551005 + 600005551006.

It is an arithmetic number, because the mean of its divisors is an integer number (600005551006).

Almost surely, 2^{1200011102011} is an apocalyptic number.

1200011102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200011102011 is an equidigital number, since it uses as much as digits as its factorization.

1200011102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1200011102011 its reverse (1102011100021), we get a palindrome (2302022202032).

The spelling of 1200011102011 in words is "one trillion, two hundred billion, eleven million, one hundred two thousand, eleven".