1121121101103 has 32 divisors (see below), whose sum is σ = 1533530714112. Its totient is φ = 728213138400.

The previous prime is 1121121101083. The next prime is 1121121101131. The reversal of 1121121101103 is 3011011211211.

It is not a de Polignac number, because 1121121101103 - 2⁹ = 1121121100591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121101153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31858708 + ... + 31893878.

It is an arithmetic number, because the mean of its divisors is an integer number (47922834816).

Almost surely, 2^{1121121101103} is an apocalyptic number.

1121121101103 is a deficient number, since it is larger than the sum of its proper divisors (412409613009).

1121121101103 is a wasteful number, since it uses less digits than its factorization.

1121121101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36235.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1121121101103 its reverse (3011011211211), we get a palindrome (4132132312314).

The spelling of 1121121101103 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred one thousand, one hundred three".