202101001221011 has 2 divisors, whose sum is σ = 202101001221012. Its totient is φ = 202101001221010.

The previous prime is 202101001220981. The next prime is 202101001221019. The reversal of 202101001221011 is 110122100101202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202101001221011 - 2⁴⁶ = 131732257043347 is a prime.

It is a super-3 number, since 3×202101001221011³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (202101001221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050500610505 + 101050500610506.

It is an arithmetic number, because the mean of its divisors is an integer number (101050500610506).

Almost surely, 2^{202101001221011} is an apocalyptic number.

202101001221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101001221011 is an equidigital number, since it uses as much as digits as its factorization.

202101001221011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202101001221011 its reverse (110122100101202), we get a palindrome (312223101322213).

The spelling of 202101001221011 in words is "two hundred two trillion, one hundred one billion, one million, two hundred twenty-one thousand, eleven".