202101000122011 has 4 divisors (see below), whose sum is σ = 202362450316992. Its totient is φ = 201839549927032.

The previous prime is 202101000122009. The next prime is 202101000122033. The reversal of 202101000122011 is 110221000101202.

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

It is a cyclic number.

It is not a de Polignac number, because 202101000122011 - 2¹ = 202101000122009 is a prime.

It is a super-3 number, since 3×202101000122011³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202101000121982 and 202101000122000.

It is not an unprimeable number, because it can be changed into a prime (202101000120011) 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, 130725096331 + ... + 130725097876.

It is an arithmetic number, because the mean of its divisors is an integer number (50590612579248).

Almost surely, 2^{202101000122011} is an apocalyptic number.

202101000122011 is a deficient number, since it is larger than the sum of its proper divisors (261450194981).

202101000122011 is an equidigital number, since it uses as much as digits as its factorization.

202101000122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261450194980.

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

Adding to 202101000122011 its reverse (110221000101202), we get a palindrome (312322000223213).

The spelling of 202101000122011 in words is "two hundred two trillion, one hundred one billion, one hundred twenty-two thousand, eleven".