2021202111101 has 16 divisors (see below), whose sum is σ = 2150836646400. Its totient is φ = 1893938115888.

The previous prime is 2021202111079. The next prime is 2021202111107. The reversal of 2021202111101 is 1011112021202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021202111101 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 (2021202111107) 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, 994010 + ... + 2242868.

It is an arithmetic number, because the mean of its divisors is an integer number (134427290400).

Almost surely, 2^{2021202111101} is an apocalyptic number.

It is an amenable number.

2021202111101 is a deficient number, since it is larger than the sum of its proper divisors (129634535299).

2021202111101 is a wasteful number, since it uses less digits than its factorization.

2021202111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249808.

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

Adding to 2021202111101 its reverse (1011112021202), we get a palindrome (3032314132303).

The spelling of 2021202111101 in words is "two trillion, twenty-one billion, two hundred two million, one hundred eleven thousand, one hundred one".