1200101002111 has 16 divisors (see below), whose sum is σ = 1315536364800. Its totient is φ = 1085734267200.

The previous prime is 1200101002091. The next prime is 1200101002117. The reversal of 1200101002111 is 1112001010021.

It is not a de Polignac number, because 1200101002111 - 2⁹ = 1200101001599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200101002117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1566766 + ... + 2203396.

It is an arithmetic number, because the mean of its divisors is an integer number (82221022800).

Almost surely, 2^{1200101002111} is an apocalyptic number.

1200101002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200101002111 is a deficient number, since it is larger than the sum of its proper divisors (115435362689).

1200101002111 is a wasteful number, since it uses less digits than its factorization.

1200101002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637470.

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

Adding to 1200101002111 its reverse (1112001010021), we get a palindrome (2312102012132).

It can be divided in two parts, 12001010021 and 11, that multiplied together give a palindrome (132011110231).

The spelling of 1200101002111 in words is "one trillion, two hundred billion, one hundred one million, two thousand, one hundred eleven".