20101002101 has 8 divisors (see below), whose sum is σ = 21165883200. Its totient is φ = 19036814400.

The previous prime is 20101002083. The next prime is 20101002107. The reversal of 20101002101 is 10120010102.

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

It is not a de Polignac number, because 20101002101 - 2⁶ = 20101002037 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 (20101002107) 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, 113300 + ... + 230301.

It is an arithmetic number, because the mean of its divisors is an integer number (2645735400).

Almost surely, 2^20101002101 is an apocalyptic number.

It is an amenable number.

20101002101 is a deficient number, since it is larger than the sum of its proper divisors (1064881099).

20101002101 is a wasteful number, since it uses less digits than its factorization.

20101002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346699.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20101002101 its reverse (10120010102), we get a palindrome (30221012203).

The spelling of 20101002101 in words is "twenty billion, one hundred one million, two thousand, one hundred one".