111211011111022 has 4 divisors (see below), whose sum is σ = 166816516666536. Its totient is φ = 55605505555510.

The previous prime is 111211011111001. The next prime is 111211011111023. The reversal of 111211011111022 is 220111110112111.

111211011111022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111211011110987 and 111211011111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211011111023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27802752777754 + ... + 27802752777757.

It is an arithmetic number, because the mean of its divisors is an integer number (41704129166634).

Almost surely, 2^{111211011111022} is an apocalyptic number.

111211011111022 is a deficient number, since it is larger than the sum of its proper divisors (55605505555514).

111211011111022 is an equidigital number, since it uses as much as digits as its factorization.

111211011111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55605505555513.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111211011111022 its reverse (220111110112111), we get a palindrome (331322121223133).

The spelling of 111211011111022 in words is "one hundred eleven trillion, two hundred eleven billion, eleven million, one hundred eleven thousand, twenty-two".