121101010001103 has 16 divisors (see below), whose sum is σ = 176151561273216. Its totient is φ = 73392619167840.

The previous prime is 121101010001099. The next prime is 121101010001129. The reversal of 121101010001103 is 301100010101121.

It is not a de Polignac number, because 121101010001103 - 2² = 121101010001099 is a prime.

It is a super-2 number, since 2×121101010001103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101010001143) 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, 47035801 + ... + 49543602.

It is an arithmetic number, because the mean of its divisors is an integer number (11009472579576).

Almost surely, 2^{121101010001103} is an apocalyptic number.

121101010001103 is a deficient number, since it is larger than the sum of its proper divisors (55050551272113).

121101010001103 is a wasteful number, since it uses less digits than its factorization.

121101010001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96617414.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 121101010001103 its reverse (301100010101121), we get a palindrome (422201020102224).

The spelling of 121101010001103 in words is "one hundred twenty-one trillion, one hundred one billion, ten million, one thousand, one hundred three".