1101121000211 has 4 divisors (see below), whose sum is σ = 1115059240800. Its totient is φ = 1087182759624.

The previous prime is 1101121000181. The next prime is 1101121000241. The reversal of 1101121000211 is 1120001211011.

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

It is an interprime number because it is at equal distance from previous prime (1101121000181) and next prime (1101121000241).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101121000211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101121000192 and 1101121000201.

It is not an unprimeable number, because it can be changed into a prime (1101121000241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6969120176 + ... + 6969120333.

It is an arithmetic number, because the mean of its divisors is an integer number (278764810200).

Almost surely, 2^{1101121000211} is an apocalyptic number.

1101121000211 is a deficient number, since it is larger than the sum of its proper divisors (13938240589).

1101121000211 is an equidigital number, since it uses as much as digits as its factorization.

1101121000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938240588.

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

Adding to 1101121000211 its reverse (1120001211011), we get a palindrome (2221122211222).

The spelling of 1101121000211 in words is "one trillion, one hundred one billion, one hundred twenty-one million, two hundred eleven", and thus it is an aban number.