1121102011001 has 16 divisors (see below), whose sum is σ = 1296666403200. Its totient is φ = 949406206848.

The previous prime is 1121102010991. The next prime is 1121102011039. The reversal of 1121102011001 is 1001102011211.

It is a cyclic number.

It is not a de Polignac number, because 1121102011001 - 2⁶ = 1121102010937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121102019001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98015 + ... + 1500603.

It is an arithmetic number, because the mean of its divisors is an integer number (81041650200).

Almost surely, 2^{1121102011001} is an apocalyptic number.

It is an amenable number.

1121102011001 is a deficient number, since it is larger than the sum of its proper divisors (175564392199).

1121102011001 is a wasteful number, since it uses less digits than its factorization.

1121102011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403968.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1121102011001 its reverse (1001102011211), we get a palindrome (2122204022212).

The spelling of 1121102011001 in words is "one trillion, one hundred twenty-one billion, one hundred two million, eleven thousand, one".