111012101102222 has 4 divisors (see below), whose sum is σ = 166518151653336. Its totient is φ = 55506050551110.

The previous prime is 111012101102129. The next prime is 111012101102257. The reversal of 111012101102222 is 222201101210111.

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

It is a super-2 number, since 2×111012101102222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111012101102222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27753025275554 + ... + 27753025275557.

It is an arithmetic number, because the mean of its divisors is an integer number (41629537913334).

Almost surely, 2^{111012101102222} is an apocalyptic number.

111012101102222 is a deficient number, since it is larger than the sum of its proper divisors (55506050551114).

111012101102222 is an equidigital number, since it uses as much as digits as its factorization.

111012101102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55506050551113.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111012101102222 its reverse (222201101210111), we get a palindrome (333213202312333).

The spelling of 111012101102222 in words is "one hundred eleven trillion, twelve billion, one hundred one million, one hundred two thousand, two hundred twenty-two".