1101122142511 has 4 divisors (see below), whose sum is σ = 1101125257624. Its totient is φ = 1101119027400.

The previous prime is 1101122142433. The next prime is 1101122142517. The reversal of 1101122142511 is 1152412211011.

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 1101122142511 - 2¹¹ = 1101122140463 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 (1101122142517) 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, 947760 + ... + 1760821.

It is an arithmetic number, because the mean of its divisors is an integer number (275281314406).

Almost surely, 2^{1101122142511} is an apocalyptic number.

1101122142511 is a deficient number, since it is larger than the sum of its proper divisors (3115113).

1101122142511 is an equidigital number, since it uses as much as digits as its factorization.

1101122142511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115112.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 1101122142511 its reverse (1152412211011), we get a palindrome (2253534353522).

The spelling of 1101122142511 in words is "one trillion, one hundred one billion, one hundred twenty-two million, one hundred forty-two thousand, five hundred eleven".