1121120011 has 8 divisors (see below), whose sum is σ = 1224949824. Its totient is φ = 1017608520.

The previous prime is 1121119997. The next prime is 1121120051. The reversal of 1121120011 is 1100211211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121120011 - 2¹³ = 1121111819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121120011.

It is not an unprimeable number, because it can be changed into a prime (1121120051) 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, 72181 + ... + 86326.

It is an arithmetic number, because the mean of its divisors is an integer number (153118728).

Almost surely, 2^1121120011 is an apocalyptic number.

1121120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121120011 is a deficient number, since it is larger than the sum of its proper divisors (103829813).

1121120011 is a wasteful number, since it uses less digits than its factorization.

1121120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159161.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1121120011 is about 33483.1302449457. The cubic root of 1121120011 is about 1038.8448747166.

Adding to 1121120011 its reverse (1100211211), we get a palindrome (2221331222).

It can be divided in two parts, 11211200 and 11, that added together give a palindrome (11211211).

The spelling of 1121120011 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, eleven".