202101211101 has 16 divisors (see below), whose sum is σ = 273287675520. Its totient is φ = 132824778240.

The previous prime is 202101211099. The next prime is 202101211121. The reversal of 202101211101 is 101112101202.

It is not a de Polignac number, because 202101211101 - 2¹ = 202101211099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101211121) 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, 2851785 + ... + 2921793.

It is an arithmetic number, because the mean of its divisors is an integer number (17080479720).

Almost surely, 2^202101211101 is an apocalyptic number.

It is an amenable number.

202101211101 is a deficient number, since it is larger than the sum of its proper divisors (71186464419).

202101211101 is a wasteful number, since it uses less digits than its factorization.

202101211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83636.

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

Adding to 202101211101 its reverse (101112101202), we get a palindrome (303213312303).

The spelling of 202101211101 in words is "two hundred two billion, one hundred one million, two hundred eleven thousand, one hundred one".