1011121110111 has 8 divisors (see below), whose sum is σ = 1540755977344. Its totient is φ = 577783491480.

The previous prime is 1011121110071. The next prime is 1011121110143. The reversal of 1011121110111 is 1110111211101.

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

It is not a de Polignac number, because 1011121110111 - 2⁷ = 1011121109983 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 (1011121110161) 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, 24074312125 + ... + 24074312166.

It is an arithmetic number, because the mean of its divisors is an integer number (192594497168).

Almost surely, 2^{1011121110111} is an apocalyptic number.

1011121110111 is a deficient number, since it is larger than the sum of its proper divisors (529634867233).

1011121110111 is an equidigital number, since it uses as much as digits as its factorization.

1011121110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48148624301.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 1011121110111 its reverse (1110111211101), we get a palindrome (2121232321212).

It can be divided in two parts, 10111211101 and 11, that multiplied together give a palindrome (111223322111).

The spelling of 1011121110111 in words is "one trillion, eleven billion, one hundred twenty-one million, one hundred ten thousand, one hundred eleven".