1890211200011 has 2 divisors, whose sum is σ = 1890211200012. Its totient is φ = 1890211200010.

The previous prime is 1890211199977. The next prime is 1890211200049. The reversal of 1890211200011 is 1100021120981.

It is a weak prime.

It is an emirp because it is prime and its reverse (1100021120981) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1890211200011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1890211200611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945105600005 + 945105600006.

It is an arithmetic number, because the mean of its divisors is an integer number (945105600006).

Almost surely, 2^{1890211200011} is an apocalyptic number.

1890211200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1890211200011 is an equidigital number, since it uses as much as digits as its factorization.

1890211200011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

Adding to 1890211200011 its reverse (1100021120981), we get a palindrome (2990232320992).

The spelling of 1890211200011 in words is "one trillion, eight hundred ninety billion, two hundred eleven million, two hundred thousand, eleven".