202101211221101 has 8 divisors (see below), whose sum is σ = 207225269692224. Its totient is φ = 196986427066080.

The previous prime is 202101211221097. The next prime is 202101211221103. The reversal of 202101211221101 is 101122112101202.

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 202101211221101 - 2² = 202101211221097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202101211221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101211221103) 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, 2318534891 + ... + 2318622056.

It is an arithmetic number, because the mean of its divisors is an integer number (25903158711528).

Almost surely, 2^{202101211221101} is an apocalyptic number.

It is an amenable number.

202101211221101 is a deficient number, since it is larger than the sum of its proper divisors (5124058471123).

202101211221101 is a wasteful number, since it uses less digits than its factorization.

202101211221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637158051.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202101211221101 its reverse (101122112101202), we get a palindrome (303223323322303).

The spelling of 202101211221101 in words is "two hundred two trillion, one hundred one billion, two hundred eleven million, two hundred twenty-one thousand, one hundred one".