2211001211122 has 12 divisors (see below), whose sum is σ = 3645411088158. Its totient is φ = 1005000550400.

The previous prime is 2211001211021. The next prime is 2211001211123. The reversal of 2211001211122 is 2211121001122.

It can be written as a sum of positive squares in only one way, i.e., 1844297086401 + 366704124721 = 1358049^2 + 605561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2211001211096 and 2211001211105.

It is not an unprimeable number, because it can be changed into a prime (2211001211123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4568184079 + ... + 4568184562.

Almost surely, 2^{2211001211122} is an apocalyptic number.

2211001211122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211001211122 is a deficient number, since it is larger than the sum of its proper divisors (1434409877036).

2211001211122 is a wasteful number, since it uses less digits than its factorization.

2211001211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9136368665 (or 9136368654 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211001211122 its reverse (2211121001122), we get a palindrome (4422122212244).

The spelling of 2211001211122 in words is "two trillion, two hundred eleven billion, one million, two hundred eleven thousand, one hundred twenty-two".