2201121101111 has 2 divisors, whose sum is σ = 2201121101112. Its totient is φ = 2201121101110.

The previous prime is 2201121101099. The next prime is 2201121101147. The reversal of 2201121101111 is 1111011211022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201121101111 is a prime.

It is a super-2 number, since 2×2201121101111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201121101411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100560550555 + 1100560550556.

It is an arithmetic number, because the mean of its divisors is an integer number (1100560550556).

Almost surely, 2^{2201121101111} is an apocalyptic number.

2201121101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201121101111 is an equidigital number, since it uses as much as digits as its factorization.

2201121101111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2201121101111 its reverse (1111011211022), we get a palindrome (3312132312133).

It can be divided in two parts, 22011211011 and 11, that added together give a palindrome (22011211022).

The spelling of 2201121101111 in words is "two trillion, two hundred one billion, one hundred twenty-one million, one hundred one thousand, one hundred eleven".