111022122221222 has 16 divisors (see below), whose sum is σ = 170595296215344. Its totient is φ = 54157028688000.

The previous prime is 111022122221119. The next prime is 111022122221243. The reversal of 111022122221222 is 222122221220111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57990722 + ... + 59874602.

It is an arithmetic number, because the mean of its divisors is an integer number (10662206013459).

Almost surely, 2^{111022122221222} is an apocalyptic number.

111022122221222 is a deficient number, since it is larger than the sum of its proper divisors (59573173994122).

111022122221222 is a wasteful number, since it uses less digits than its factorization.

111022122221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602615.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111022122221222 its reverse (222122221220111), we get a palindrome (333144343441333).

The spelling of 111022122221222 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-two".