202101002121211 has 2 divisors, whose sum is σ = 202101002121212. Its totient is φ = 202101002121210.

The previous prime is 202101002121209. The next prime is 202101002121257. The reversal of 202101002121211 is 112121200101202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202101002121211 - 2¹ = 202101002121209 is a prime.

It is a super-2 number, since 2×202101002121211² (a number of 29 digits) contains 22 as substring.

Together with 202101002121209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (202101002421211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050501060605 + 101050501060606.

It is an arithmetic number, because the mean of its divisors is an integer number (101050501060606).

Almost surely, 2^{202101002121211} is an apocalyptic number.

202101002121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101002121211 is an equidigital number, since it uses as much as digits as its factorization.

202101002121211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202101002121211 its reverse (112121200101202), we get a palindrome (314222202222413).

The spelling of 202101002121211 in words is "two hundred two trillion, one hundred one billion, two million, one hundred twenty-one thousand, two hundred eleven".