211220210111203 has 2 divisors, whose sum is σ = 211220210111204. Its totient is φ = 211220210111202.

The previous prime is 211220210111201. The next prime is 211220210111329. The reversal of 211220210111203 is 302111012022112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211220210111203 - 2¹ = 211220210111201 is a prime.

It is a super-2 number, since 2×211220210111203² (a number of 29 digits) contains 22 as substring.

Together with 211220210111201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211220210111201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610105055601 + 105610105055602.

It is an arithmetic number, because the mean of its divisors is an integer number (105610105055602).

Almost surely, 2^{211220210111203} is an apocalyptic number.

211220210111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

211220210111203 is an equidigital number, since it uses as much as digits as its factorization.

211220210111203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211220210111203 its reverse (302111012022112), we get a palindrome (513331222133315).

The spelling of 211220210111203 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred ten million, one hundred eleven thousand, two hundred three".