100121020201 has 16 divisors (see below), whose sum is σ = 106078003200. Its totient is φ = 94234552848.

The previous prime is 100121020157. The next prime is 100121020267. The reversal of 100121020201 is 102020121001.

It is a cyclic number.

It is not a de Polignac number, because 100121020201 - 2¹³ = 100121012009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121020291) 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, 2041696 + ... + 2090158.

It is an arithmetic number, because the mean of its divisors is an integer number (6629875200).

Almost surely, 2^100121020201 is an apocalyptic number.

It is an amenable number.

100121020201 is a deficient number, since it is larger than the sum of its proper divisors (5956982999).

100121020201 is a wasteful number, since it uses less digits than its factorization.

100121020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49188.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100121020201 its reverse (102020121001), we get a palindrome (202141141202).

The spelling of 100121020201 in words is "one hundred billion, one hundred twenty-one million, twenty thousand, two hundred one".