20102002211 has 2 divisors, whose sum is σ = 20102002212. Its totient is φ = 20102002210.

The previous prime is 20102002169. The next prime is 20102002229. The reversal of 20102002211 is 11220020102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102002211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102002192 and 20102002201.

It is not a weakly prime, because it can be changed into another prime (20102001211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051001105 + 10051001106.

It is an arithmetic number, because the mean of its divisors is an integer number (10051001106).

Almost surely, 2^20102002211 is an apocalyptic number.

20102002211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102002211 is an equidigital number, since it uses as much as digits as its factorization.

20102002211 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 11.

Adding to 20102002211 its reverse (11220020102), we get a palindrome (31322022313).

The spelling of 20102002211 in words is "twenty billion, one hundred two million, two thousand, two hundred eleven".