1200101012111 has 8 divisors (see below), whose sum is σ = 1283032037664. Its totient is φ = 1118540747520.

The previous prime is 1200101012069. The next prime is 1200101012153. The reversal of 1200101012111 is 1112101010021.

It is an interprime number because it is at equal distance from previous prime (1200101012069) and next prime (1200101012153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200101012111 - 2¹⁴ = 1200100995727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200101012092 and 1200101012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200101012191) 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, 342688430 + ... + 342691931.

It is an arithmetic number, because the mean of its divisors is an integer number (160379004708).

Almost surely, 2^{1200101012111} is an apocalyptic number.

1200101012111 is a deficient number, since it is larger than the sum of its proper divisors (82931025553).

1200101012111 is a wasteful number, since it uses less digits than its factorization.

1200101012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685380481.

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

Adding to 1200101012111 its reverse (1112101010021), we get a palindrome (2312202022132).

The spelling of 1200101012111 in words is "one trillion, two hundred billion, one hundred one million, twelve thousand, one hundred eleven".