1200101122211 has 4 divisors (see below), whose sum is σ = 1200154145832. Its totient is φ = 1200048098592.

The previous prime is 1200101122123. The next prime is 1200101122217. The reversal of 1200101122211 is 1122211010021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200101122211 - 2³⁰ = 1199027380387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200101122217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26477846 + ... + 26523131.

It is an arithmetic number, because the mean of its divisors is an integer number (300038536458).

Almost surely, 2^{1200101122211} is an apocalyptic number.

1200101122211 is a deficient number, since it is larger than the sum of its proper divisors (53023621).

1200101122211 is an equidigital number, since it uses as much as digits as its factorization.

1200101122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53023620.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1200101122211 its reverse (1122211010021), we get a palindrome (2322312132232).

The spelling of 1200101122211 in words is "one trillion, two hundred billion, one hundred one million, one hundred twenty-two thousand, two hundred eleven".