100110201022121 has 2 divisors, whose sum is σ = 100110201022122. Its totient is φ = 100110201022120.

The previous prime is 100110201022099. The next prime is 100110201022133. The reversal of 100110201022121 is 121220102011001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87728324995600 + 12381876026521 = 9366340^2 + 3518789^2 .

It is a cyclic number.

It is not a de Polignac number, because 100110201022121 - 2⁶ = 100110201022057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100110201022096 and 100110201022105.

It is not a weakly prime, because it can be changed into another prime (100110201022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055100511060 + 50055100511061.

It is an arithmetic number, because the mean of its divisors is an integer number (50055100511061).

Almost surely, 2^{100110201022121} is an apocalyptic number.

It is an amenable number.

100110201022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

100110201022121 is an equidigital number, since it uses as much as digits as its factorization.

100110201022121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100110201022121 its reverse (121220102011001), we get a palindrome (221330303033122).

The spelling of 100110201022121 in words is "one hundred trillion, one hundred ten billion, two hundred one million, twenty-two thousand, one hundred twenty-one".