121102101110001 has 16 divisors (see below), whose sum is σ = 176148696335040. Its totient is φ = 73395135448320.

The previous prime is 121102101109993. The next prime is 121102101110021. The reversal of 121102101110001 is 100011101201121.

It is not a de Polignac number, because 121102101110001 - 2³ = 121102101109993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102101110021) 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, 54030421 + ... + 56227133.

It is an arithmetic number, because the mean of its divisors is an integer number (11009293520940).

Almost surely, 2^{121102101110001} is an apocalyptic number.

121102101110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121102101110001 is a deficient number, since it is larger than the sum of its proper divisors (55046595225039).

121102101110001 is a wasteful number, since it uses less digits than its factorization.

121102101110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867296.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121102101110001 its reverse (100011101201121), we get a palindrome (221113202311122).

The spelling of 121102101110001 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred one million, one hundred ten thousand, one".