111220220222000 has 80 divisors (see below), whose sum is σ = 270643426334112. Its totient is φ = 44204724345600.

The previous prime is 111220220221973. The next prime is 111220220222003. The reversal of 111220220222000 is 222022022111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 111220220222000.

It is not an unprimeable number, because it can be changed into a prime (111220220222003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176788262 + ... + 177416261.

Almost surely, 2^{111220220222000} is an apocalyptic number.

111220220222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220220222000 is an abundant number, since it is smaller than the sum of its proper divisors (159423206112112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111220220222000 is a wasteful number, since it uses less digits than its factorization.

111220220222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354204703 (or 354204687 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111220220222000 its reverse (222022022111), we get a palindrome (111442242244111).

The spelling of 111220220222000 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand".