11100122121211 has 8 divisors (see below), whose sum is σ = 11215781982720. Its totient is φ = 10985047879848.

The previous prime is 11100122121199. The next prime is 11100122121227. The reversal of 11100122121211 is 11212122100111.

11100122121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11100122121211 - 2¹³ = 11100122113019 is a prime.

It is a super-2 number, since 2×11100122121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100122221211) 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, 146366931 + ... + 146442748.

It is an arithmetic number, because the mean of its divisors is an integer number (1401972747840).

Almost surely, 2^{11100122121211} is an apocalyptic number.

11100122121211 is a deficient number, since it is larger than the sum of its proper divisors (115659861509).

11100122121211 is a wasteful number, since it uses less digits than its factorization.

11100122121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292810073.

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

Adding to 11100122121211 its reverse (11212122100111), we get a palindrome (22312244221322).

The spelling of 11100122121211 in words is "eleven trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".