11012212101121 has 16 divisors (see below), whose sum is σ = 13749791184000. Its totient is φ = 8568269498880.

The previous prime is 11012212101103. The next prime is 11012212101139. The reversal of 11012212101121 is 12110121221011.

It is an interprime number because it is at equal distance from previous prime (11012212101103) and next prime (11012212101139).

It is not a de Polignac number, because 11012212101121 - 2⁷ = 11012212100993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012212101095 and 11012212101104.

It is not an unprimeable number, because it can be changed into a prime (11012212101151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105572496 + ... + 105676753.

It is an arithmetic number, because the mean of its divisors is an integer number (859361949000).

Almost surely, 2^{11012212101121} is an apocalyptic number.

11012212101121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11012212101121 is a deficient number, since it is larger than the sum of its proper divisors (2737579082879).

11012212101121 is a wasteful number, since it uses less digits than its factorization.

11012212101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211249944.

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

Adding to 11012212101121 its reverse (12110121221011), we get a palindrome (23122333322132).

The spelling of 11012212101121 in words is "eleven trillion, twelve billion, two hundred twelve million, one hundred one thousand, one hundred twenty-one".