111022001221011 has 8 divisors (see below), whose sum is σ = 148176043919760. Its totient is φ = 73941313001472.

The previous prime is 111022001221003. The next prime is 111022001221013. The reversal of 111022001221011 is 110122100220111.

It is a happy number.

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

It is not a de Polignac number, because 111022001221011 - 2³ = 111022001221003 is a prime.

It is a super-3 number, since 3×111022001221011³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111022001221013) 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, 18338616270 + ... + 18338622323.

It is an arithmetic number, because the mean of its divisors is an integer number (18522005489970).

Almost surely, 2^{111022001221011} is an apocalyptic number.

111022001221011 is a deficient number, since it is larger than the sum of its proper divisors (37154042698749).

111022001221011 is a wasteful number, since it uses less digits than its factorization.

111022001221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36677239605.

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

Adding to 111022001221011 its reverse (110122100220111), we get a palindrome (221144101441122).

The spelling of 111022001221011 in words is "one hundred eleven trillion, twenty-two billion, one million, two hundred twenty-one thousand, eleven".