11101221112011 has 8 divisors (see below), whose sum is σ = 15580661209920. Its totient is φ = 7011297544392.

The previous prime is 11101221112001. The next prime is 11101221112019. The reversal of 11101221112011 is 11021112210111.

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

It is not a de Polignac number, because 11101221112011 - 2³⁹ = 10551465298123 is a prime.

It is a super-2 number, since 2×11101221112011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11101221112019) 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, 97379132505 + ... + 97379132618.

It is an arithmetic number, because the mean of its divisors is an integer number (1947582651240).

Almost surely, 2^{11101221112011} is an apocalyptic number.

11101221112011 is a deficient number, since it is larger than the sum of its proper divisors (4479440097909).

11101221112011 is a wasteful number, since it uses less digits than its factorization.

11101221112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194758265145.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11101221112011 its reverse (11021112210111), we get a palindrome (22122333322122).

The spelling of 11101221112011 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, one hundred twelve thousand, eleven".