1111011121101 has 24 divisors (see below), whose sum is σ = 1724127301344. Its totient is φ = 634522200480.

The previous prime is 1111011121049. The next prime is 1111011121139. The reversal of 1111011121101 is 1011211101111.

It is not a de Polignac number, because 1111011121101 - 2¹⁴ = 1111011104717 is a prime.

It is a super-2 number, since 2×1111011121101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111011121301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1757035 + ... + 2304168.

It is an arithmetic number, because the mean of its divisors is an integer number (71838637556).

Almost surely, 2^{1111011121101} is an apocalyptic number.

It is an amenable number.

1111011121101 is a deficient number, since it is larger than the sum of its proper divisors (613116180243).

1111011121101 is a wasteful number, since it uses less digits than its factorization.

1111011121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063081 (or 4063074 counting only the distinct ones).

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

Adding to 1111011121101 its reverse (1011211101111), we get a palindrome (2122222222212).

The spelling of 1111011121101 in words is "one trillion, one hundred eleven billion, eleven million, one hundred twenty-one thousand, one hundred one".