20202111001211 has 2 divisors, whose sum is σ = 20202111001212. Its totient is φ = 20202111001210.

The previous prime is 20202111001201. The next prime is 20202111001243. The reversal of 20202111001211 is 11210011120202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202111001211 - 2³⁴ = 20184931132027 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202111001201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101055500605 + 10101055500606.

It is an arithmetic number, because the mean of its divisors is an integer number (10101055500606).

Almost surely, 2^{20202111001211} is an apocalyptic number.

20202111001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202111001211 is an equidigital number, since it uses as much as digits as its factorization.

20202111001211 is an evil number, because the sum of its binary digits is even.

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

Adding to 20202111001211 its reverse (11210011120202), we get a palindrome (31412122121413).

The spelling of 20202111001211 in words is "twenty trillion, two hundred two billion, one hundred eleven million, one thousand, two hundred eleven".