11034121221221 has 32 divisors (see below), whose sum is σ = 12720244174848. Its totient is φ = 9375779387520.

The previous prime is 11034121221217. The next prime is 11034121221241. The reversal of 11034121221221 is 12212212143011.

It is not a de Polignac number, because 11034121221221 - 2² = 11034121221217 is a prime.

It is a super-2 number, since 2×11034121221221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11034121221241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1876229201 + ... + 1876235081.

It is an arithmetic number, because the mean of its divisors is an integer number (397507630464).

Almost surely, 2^{11034121221221} is an apocalyptic number.

It is an amenable number.

11034121221221 is a deficient number, since it is larger than the sum of its proper divisors (1686122953627).

11034121221221 is a wasteful number, since it uses less digits than its factorization.

11034121221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 11034121221221 its reverse (12212212143011), we get a palindrome (23246333364232).

The spelling of 11034121221221 in words is "eleven trillion, thirty-four billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-one".