1011221110222 has 16 divisors (see below), whose sum is σ = 1536777123840. Its totient is φ = 498968277912.

The previous prime is 1011221110201. The next prime is 1011221110261. The reversal of 1011221110222 is 2220111221101.

It is a super-2 number, since 2×1011221110222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011221110196 and 1011221110205.

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, 1225218 + ... + 1877125.

It is an arithmetic number, because the mean of its divisors is an integer number (96048570240).

Almost surely, 2^{1011221110222} is an apocalyptic number.

1011221110222 is a deficient number, since it is larger than the sum of its proper divisors (525556013618).

1011221110222 is a wasteful number, since it uses less digits than its factorization.

1011221110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104487.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011221110222 its reverse (2220111221101), we get a palindrome (3231332331323).

The spelling of 1011221110222 in words is "one trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-two".