20211002211101 has 16 divisors (see below), whose sum is σ = 22913191560000. Its totient is φ = 17672906757888.

The previous prime is 20211002211067. The next prime is 20211002211109. The reversal of 20211002211101 is 10111220011202.

It is a cyclic number.

It is not a de Polignac number, because 20211002211101 - 2³⁰ = 20209928469277 is a prime.

It is a super-3 number, since 3×20211002211101³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211002211109) 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, 516476 + ... + 6378773.

It is an arithmetic number, because the mean of its divisors is an integer number (1432074472500).

Almost surely, 2^{20211002211101} is an apocalyptic number.

It is an amenable number.

20211002211101 is a deficient number, since it is larger than the sum of its proper divisors (2702189348899).

20211002211101 is a wasteful number, since it uses less digits than its factorization.

20211002211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907148.

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

Adding to 20211002211101 its reverse (10111220011202), we get a palindrome (30322222222303).

The spelling of 20211002211101 in words is "twenty trillion, two hundred eleven billion, two million, two hundred eleven thousand, one hundred one".