11001222121102 has 8 divisors (see below), whose sum is σ = 17472529251216. Its totient is φ = 5177045704032.

The previous prime is 11001222121069. The next prime is 11001222121103. The reversal of 11001222121102 is 20112122210011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001222121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161782678218 + ... + 161782678285.

It is an arithmetic number, because the mean of its divisors is an integer number (2184066156402).

Almost surely, 2^{11001222121102} is an apocalyptic number.

11001222121102 is a deficient number, since it is larger than the sum of its proper divisors (6471307130114).

11001222121102 is a wasteful number, since it uses less digits than its factorization.

11001222121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323565356522.

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

Adding to 11001222121102 its reverse (20112122210011), we get a palindrome (31113344331113).

The spelling of 11001222121102 in words is "eleven trillion, one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred two".