2111221010011 has 2 divisors, whose sum is σ = 2111221010012. Its totient is φ = 2111221010010.

The previous prime is 2111221009999. The next prime is 2111221010023. The reversal of 2111221010011 is 1100101221112.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2111221009999) and next prime (2111221010023).

It is a cyclic number.

It is not a de Polignac number, because 2111221010011 - 2²³ = 2111212621403 is a prime.

It is a super-2 number, since 2×2111221010011² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111221009973 and 2111221010000.

It is not a weakly prime, because it can be changed into another prime (2111221017011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055610505005 + 1055610505006.

It is an arithmetic number, because the mean of its divisors is an integer number (1055610505006).

Almost surely, 2^{2111221010011} is an apocalyptic number.

2111221010011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111221010011 is an equidigital number, since it uses as much as digits as its factorization.

2111221010011 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 13.

Adding to 2111221010011 its reverse (1100101221112), we get a palindrome (3211322231123).

The spelling of 2111221010011 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, ten thousand, eleven".