111220222212011 has 8 divisors (see below), whose sum is σ = 121331246257200. Its totient is φ = 101109213959040.

The previous prime is 111220222211981. The next prime is 111220222212013. The reversal of 111220222212011 is 110212222022111.

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 111220222212011 - 2⁶ = 111220222211947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111220222212013) 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, 14543135 + ... + 20831303.

It is an arithmetic number, because the mean of its divisors is an integer number (15166405782150).

Almost surely, 2^{111220222212011} is an apocalyptic number.

111220222212011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111220222212011 is a deficient number, since it is larger than the sum of its proper divisors (10111024045189).

111220222212011 is a wasteful number, since it uses less digits than its factorization.

111220222212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896109.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111220222212011 its reverse (110212222022111), we get a palindrome (221432444234122).

The spelling of 111220222212011 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, eleven".