11101212000121 has 8 divisors (see below), whose sum is σ = 11118198612224. Its totient is φ = 11084225969520.

The previous prime is 11101212000091. The next prime is 11101212000211. The reversal of 11101212000121 is 12100021210111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11101212000121 - 2¹³ = 11101211991929 is a prime.

It is a super-3 number, since 3×11101212000121³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101212004121) 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, 52710790 + ... + 52920976.

It is an arithmetic number, because the mean of its divisors is an integer number (1389774826528).

Almost surely, 2^{11101212000121} is an apocalyptic number.

It is an amenable number.

11101212000121 is a deficient number, since it is larger than the sum of its proper divisors (16986612103).

11101212000121 is an equidigital number, since it uses as much as digits as its factorization.

11101212000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290751.

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

Adding to 11101212000121 its reverse (12100021210111), we get a palindrome (23201233210232).

The spelling of 11101212000121 in words is "eleven trillion, one hundred one billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.