20102211203 has 2 divisors, whose sum is σ = 20102211204. Its totient is φ = 20102211202.

The previous prime is 20102211193. The next prime is 20102211229. The reversal of 20102211203 is 30211220102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20102211203 - 2⁶ = 20102211139 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102211293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051105601 + 10051105602.

It is an arithmetic number, because the mean of its divisors is an integer number (10051105602).

Almost surely, 2^20102211203 is an apocalyptic number.

20102211203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102211203 is an equidigital number, since it uses as much as digits as its factorization.

20102211203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20102211203 its reverse (30211220102), we get a palindrome (50313431305).

The spelling of 20102211203 in words is "twenty billion, one hundred two million, two hundred eleven thousand, two hundred three".