20100202211 has 2 divisors, whose sum is σ = 20100202212. Its totient is φ = 20100202210.

The previous prime is 20100202193. The next prime is 20100202303. The reversal of 20100202211 is 11220200102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100202211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20100202192 and 20100202201.

It is not a weakly prime, because it can be changed into another prime (20100202411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050101105 + 10050101106.

It is an arithmetic number, because the mean of its divisors is an integer number (10050101106).

Almost surely, 2^20100202211 is an apocalyptic number.

20100202211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100202211 is an equidigital number, since it uses as much as digits as its factorization.

20100202211 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 20100202211 its reverse (11220200102), we get a palindrome (31320402313).

The spelling of 20100202211 in words is "twenty billion, one hundred million, two hundred two thousand, two hundred eleven".