202111221101101 has 8 divisors (see below), whose sum is σ = 218367222602144. Its totient is φ = 185956503099120.

The previous prime is 202111221101093. The next prime is 202111221101137. The reversal of 202111221101101 is 101101122111202.

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

It is not a de Polignac number, because 202111221101101 - 2³ = 202111221101093 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 (202111221101191) 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, 25320870615 + ... + 25320878596.

It is an arithmetic number, because the mean of its divisors is an integer number (27295902825268).

Almost surely, 2^{202111221101101} is an apocalyptic number.

It is an amenable number.

202111221101101 is a deficient number, since it is larger than the sum of its proper divisors (16256001501043).

202111221101101 is a wasteful number, since it uses less digits than its factorization.

202111221101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50641749531.

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

Adding to 202111221101101 its reverse (101101122111202), we get a palindrome (303212343212303).

The spelling of 202111221101101 in words is "two hundred two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred one thousand, one hundred one".