111122101012011 has 8 divisors (see below), whose sum is σ = 148163492881920. Its totient is φ = 74081054908392.

The previous prime is 111122101011997. The next prime is 111122101012031. The reversal of 111122101012011 is 110210101221111.

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

It is not a de Polignac number, because 111122101012011 - 2¹⁴ = 111122100995627 is a prime.

It is a super-2 number, since 2×111122101012011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111122101012031) 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, 85690755 + ... + 86977868.

It is an arithmetic number, because the mean of its divisors is an integer number (18520436610240).

Almost surely, 2^{111122101012011} is an apocalyptic number.

111122101012011 is a deficient number, since it is larger than the sum of its proper divisors (37041391869909).

111122101012011 is a wasteful number, since it uses less digits than its factorization.

111122101012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172883145.

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

Adding to 111122101012011 its reverse (110210101221111), we get a palindrome (221332202233122).

The spelling of 111122101012011 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred one million, twelve thousand, eleven".