20120002002101 has 8 divisors (see below), whose sum is σ = 20241389692800. Its totient is φ = 19998817133328.

The previous prime is 20120002002097. The next prime is 20120002002103. The reversal of 20120002002101 is 10120020002102.

It is a happy number.

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 20120002002101 - 2² = 20120002002097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120002002103) 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, 50506481 + ... + 50903286.

It is an arithmetic number, because the mean of its divisors is an integer number (2530173711600).

Almost surely, 2^{20120002002101} is an apocalyptic number.

It is an amenable number.

20120002002101 is a deficient number, since it is larger than the sum of its proper divisors (121387690699).

20120002002101 is a wasteful number, since it uses less digits than its factorization.

20120002002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101410963.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20120002002101 its reverse (10120020002102), we get a palindrome (30240022004203).

The spelling of 20120002002101 in words is "twenty trillion, one hundred twenty billion, two million, two thousand, one hundred one".