1200011111102 has 16 divisors (see below), whose sum is σ = 1880468255232. Its totient is φ = 573654745560.

The previous prime is 1200011111093. The next prime is 1200011111111. The reversal of 1200011111102 is 2011111100021.

It is an interprime number because it is at equal distance from previous prime (1200011111093) and next prime (1200011111111).

It is a congruent number.

It is an unprimeable number.

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, 116591348 + ... + 116601639.

It is an arithmetic number, because the mean of its divisors is an integer number (117529265952).

Almost surely, 2^{1200011111102} is an apocalyptic number.

1200011111102 is a deficient number, since it is larger than the sum of its proper divisors (680457144130).

1200011111102 is a wasteful number, since it uses less digits than its factorization.

1200011111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233193103.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1200011111102 its reverse (2011111100021), we get a palindrome (3211122211123).

The spelling of 1200011111102 in words is "one trillion, two hundred billion, eleven million, one hundred eleven thousand, one hundred two".