1121002111011 has 8 divisors (see below), whose sum is σ = 1494787194880. Its totient is φ = 747275883912.

The previous prime is 1121002110979. The next prime is 1121002111039. The reversal of 1121002111011 is 1101112001211.

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

It is not a de Polignac number, because 1121002111011 - 2⁵ = 1121002110979 is a prime.

It is a super-2 number, since 2×1121002111011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121002111081) 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, 14669731 + ... + 14745948.

It is an arithmetic number, because the mean of its divisors is an integer number (186848399360).

Almost surely, 2^{1121002111011} is an apocalyptic number.

1121002111011 is a deficient number, since it is larger than the sum of its proper divisors (373785083869).

1121002111011 is a wasteful number, since it uses less digits than its factorization.

1121002111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29428385.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121002111011 its reverse (1101112001211), we get a palindrome (2222114112222).

The spelling of 1121002111011 in words is "one trillion, one hundred twenty-one billion, two million, one hundred eleven thousand, eleven".