201020021011101 has 8 divisors (see below), whose sum is σ = 268269692595840. Its totient is φ = 133891848383552.

The previous prime is 201020021011057. The next prime is 201020021011109. The reversal of 201020021011101 is 101110120020102.

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 201020021011101 - 2¹¹ = 201020021009053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020021011109) 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, 30374735436 + ... + 30374742053.

It is an arithmetic number, because the mean of its divisors is an integer number (33533711574480).

Almost surely, 2^{201020021011101} is an apocalyptic number.

It is an amenable number.

201020021011101 is a deficient number, since it is larger than the sum of its proper divisors (67249671584739).

201020021011101 is a wasteful number, since it uses less digits than its factorization.

201020021011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60749478595.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201020021011101 its reverse (101110120020102), we get a palindrome (302130141031203).

Subtracting from 201020021011101 its reverse (101110120020102), we obtain a palindrome (99909900990999).

The spelling of 201020021011101 in words is "two hundred one trillion, twenty billion, twenty-one million, eleven thousand, one hundred one".