202101001102201 has 4 divisors (see below), whose sum is σ = 202102298032500. Its totient is φ = 202099704171904.

The previous prime is 202101001102097. The next prime is 202101001102237. The reversal of 202101001102201 is 102201100101202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185695674080400 + 16405327021801 = 13627020^2 + 4050349^2 .

It is a cyclic number.

It is not a de Polignac number, because 202101001102201 - 2¹⁹ = 202101000577913 is a prime.

It is a super-3 number, since 3×202101001102201³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202101001102501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648231376 + ... + 648543073.

It is an arithmetic number, because the mean of its divisors is an integer number (50525574508125).

Almost surely, 2^{202101001102201} is an apocalyptic number.

It is an amenable number.

202101001102201 is a deficient number, since it is larger than the sum of its proper divisors (1296930299).

202101001102201 is a wasteful number, since it uses less digits than its factorization.

202101001102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296930298.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202101001102201 its reverse (102201100101202), we get a palindrome (304302101203403).

The spelling of 202101001102201 in words is "two hundred two trillion, one hundred one billion, one million, one hundred two thousand, two hundred one".