1121100001211 has 8 divisors (see below), whose sum is σ = 1126760751360. Its totient is φ = 1115453351272.

The previous prime is 1121100001207. The next prime is 1121100001243. The reversal of 1121100001211 is 1121000011211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121100001211 - 2² = 1121100001207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121100001192 and 1121100001201.

It is not an unprimeable number, because it can be changed into a prime (1121100001261) 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, 3365615 + ... + 3683688.

It is an arithmetic number, because the mean of its divisors is an integer number (140845093920).

Almost surely, 2^{1121100001211} is an apocalyptic number.

1121100001211 is a deficient number, since it is larger than the sum of its proper divisors (5660750149).

1121100001211 is an equidigital number, since it uses as much as digits as its factorization.

1121100001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050105.

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

Adding to 1121100001211 its reverse (1121000011211), we get a palindrome (2242100012422).

It can be divided in two parts, 112110000 and 1211, that added together give a palindrome (112111211).

The spelling of 1121100001211 in words is "one trillion, one hundred twenty-one billion, one hundred million, one thousand, two hundred eleven".