20120100020101 has 8 divisors (see below), whose sum is σ = 20133377740800. Its totient is φ = 20106826621728.

The previous prime is 20120100020081. The next prime is 20120100020161. The reversal of 20120100020101 is 10102000102102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20120100020101 - 2⁹ = 20120100019589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120100020161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8258940 + ... + 10413946.

It is an arithmetic number, because the mean of its divisors is an integer number (2516672217600).

Almost surely, 2^{20120100020101} is an apocalyptic number.

It is an amenable number.

20120100020101 is a deficient number, since it is larger than the sum of its proper divisors (13277720699).

20120100020101 is a wasteful number, since it uses less digits than its factorization.

20120100020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161163.

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

Adding to 20120100020101 its reverse (10102000102102), we get a palindrome (30222100122203).

The spelling of 20120100020101 in words is "twenty trillion, one hundred twenty billion, one hundred million, twenty thousand, one hundred one".