2111200011101 has 2 divisors, whose sum is σ = 2111200011102. Its totient is φ = 2111200011100.

The previous prime is 2111200011091. The next prime is 2111200011119. The reversal of 2111200011101 is 1011100021112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045617923001 + 65582088100 = 1430251^2 + 256090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111200011101 - 2²⁶ = 2111132902237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111200011901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055600005550 + 1055600005551.

It is an arithmetic number, because the mean of its divisors is an integer number (1055600005551).

Almost surely, 2^{2111200011101} is an apocalyptic number.

It is an amenable number.

2111200011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111200011101 is an equidigital number, since it uses as much as digits as its factorization.

2111200011101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2111200011101 its reverse (1011100021112), we get a palindrome (3122300032213).

The spelling of 2111200011101 in words is "two trillion, one hundred eleven billion, two hundred million, eleven thousand, one hundred one".