121210020110001 has 32 divisors (see below), whose sum is σ = 164358695559168. Its totient is φ = 79440604850880.

The previous prime is 121210020109961. The next prime is 121210020110129. The reversal of 121210020110001 is 100011020012121.

121210020110001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 121210020110001 - 2⁹ = 121210020109489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121210020111001) 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, 448513420 + ... + 448783586.

It is an arithmetic number, because the mean of its divisors is an integer number (5136209236224).

Almost surely, 2^{121210020110001} is an apocalyptic number.

It is an amenable number.

121210020110001 is a deficient number, since it is larger than the sum of its proper divisors (43148675449167).

121210020110001 is a wasteful number, since it uses less digits than its factorization.

121210020110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276261.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121210020110001 its reverse (100011020012121), we get a palindrome (221221040122122).

The spelling of 121210020110001 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty million, one hundred ten thousand, one".