11101210022211 has 16 divisors (see below), whose sum is σ = 15201754774944. Its totient is φ = 7200738549504.

The previous prime is 11101210022051. The next prime is 11101210022239. The reversal of 11101210022211 is 11222001210111.

It is a happy number.

It is not a de Polignac number, because 11101210022211 - 2¹¹ = 11101210020163 is a prime.

It is a super-2 number, since 2×11101210022211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11101210020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28952925 + ... + 29333841.

It is an arithmetic number, because the mean of its divisors is an integer number (950109673434).

Almost surely, 2^{11101210022211} is an apocalyptic number.

11101210022211 is a deficient number, since it is larger than the sum of its proper divisors (4100544752733).

11101210022211 is a wasteful number, since it uses less digits than its factorization.

11101210022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643510.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11101210022211 its reverse (11222001210111), we get a palindrome (22323211232322).

The spelling of 11101210022211 in words is "eleven trillion, one hundred one billion, two hundred ten million, twenty-two thousand, two hundred eleven".