11001211010122 has 16 divisors (see below), whose sum is σ = 16582446546120. Its totient is φ = 5473794143232.

The previous prime is 11001211010081. The next prime is 11001211010129. The reversal of 11001211010122 is 22101011210011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2522509474081 + 8478701536041 = 1588241^2 + 2911821^2 .

It is not an unprimeable number, because it can be changed into a prime (11001211010129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15991503 + ... + 16665250.

Almost surely, 2^{11001211010122} is an apocalyptic number.

11001211010122 is a deficient number, since it is larger than the sum of its proper divisors (5581235535998).

11001211010122 is a wasteful number, since it uses less digits than its factorization.

11001211010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32657577.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001211010122 its reverse (22101011210011), we get a palindrome (33102222220133).

The spelling of 11001211010122 in words is "eleven trillion, one billion, two hundred eleven million, ten thousand, one hundred twenty-two".