1101011213111 has 4 divisors (see below), whose sum is σ = 1112361844272. Its totient is φ = 1089660581952.

The previous prime is 1101011213053. The next prime is 1101011213131. The reversal of 1101011213111 is 1113121101011.

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 1101011213111 - 2¹⁸ = 1101010950967 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 (1101011213131) 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, 5675315435 + ... + 5675315628.

It is an arithmetic number, because the mean of its divisors is an integer number (278090461068).

Almost surely, 2^{1101011213111} is an apocalyptic number.

1101011213111 is a deficient number, since it is larger than the sum of its proper divisors (11350631161).

1101011213111 is an equidigital number, since it uses as much as digits as its factorization.

1101011213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350631160.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1101011213111 its reverse (1113121101011), we get a palindrome (2214132314122).

The spelling of 1101011213111 in words is "one trillion, one hundred one billion, eleven million, two hundred thirteen thousand, one hundred eleven".