1101131103111 has 32 divisors (see below), whose sum is σ = 1592022512640. Its totient is φ = 672945408000.

The previous prime is 1101131103103. The next prime is 1101131103143. The reversal of 1101131103111 is 1113011311011.

It is not a de Polignac number, because 1101131103111 - 2³ = 1101131103103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101131101111) 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, 23007975 + ... + 23055783.

It is an arithmetic number, because the mean of its divisors is an integer number (49750703520).

Almost surely, 2^{1101131103111} is an apocalyptic number.

1101131103111 is a deficient number, since it is larger than the sum of its proper divisors (490891409529).

1101131103111 is a wasteful number, since it uses less digits than its factorization.

1101131103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51887.

The product of its (nonzero) digits is 9, while the sum is 15.

Adding to 1101131103111 its reverse (1113011311011), we get a palindrome (2214142414122).

The spelling of 1101131103111 in words is "one trillion, one hundred one billion, one hundred thirty-one million, one hundred three thousand, one hundred eleven".